Fabric Classifications

Posted October 2005 - this information is "posted" by Apparel Search, but it has not been created by Apparel Search
This may be dated material and you should not rely on this list to be the most current listing of this information.  We suggest that if you require the most current and accurate information, you communicate directly with the United States Patent and Trademark Office.
The following file was produced by USPTO - SIRA - Office of Patent Automation - Reference Tools Project

Contact: United States Patent and Trademark Office - Classification Operations Crystal Park 3, Suite 902 Washington, DC 20231 phone: (703) 305-5107

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[List of Patents for class 442 subclass 371]  371 Including a free metal or alloy constituent:
 This subclass is indented under subclass 370.  Subject matter having a constituent which is a metal in elemental or alloy form (i.e., other than in the form of a chelate, salt, or compound resulting from the chemical reaction of a metal).
  (1) Note. Classified here is, for example a fabric-foam combination wherein (a) the fabric or the foam has been provided with a metal coating, (b) the fabric is composed of a strand comprising elemental metal, and (c) a metal layer having structural integrity has been adhesively associated with the foam and/or fabric layer.
  
[List of Patents for class 442 subclass 372]  372 Plural foamed layers:
  This subclass is indented under subclass 370.  Subject matter characterized by having two or more distinct foam layers.
   
[List of Patents for class 442 subclass 373]  373 Plural fabric layers:
  This subclass is indented under subclass 370.  Subject matter characterized by having two or more distinct fabric layers.
   
[List of Patents for class 442 subclass 374]  374 Nonwoven fabric is coated, impregnated, or autogenously bonded:
  This subclass is indented under subclass 370.  Subject matter wherein the nonwoven fabric has been coated or impregnated or autogenously bonded (i.e., wherein the strands or filamentary components thereof or fiber material have been caused to adhere to one another through activation of an inherent cohesive or adhesive property by heat and/or pressure or application of solvent).
   
[List of Patents for class 442 subclass 375]  375 Including particulate material other than fiber:
  This subclass is indented under subclass 374.  Subject matter wherein the coated, impregnated, or autogenously bonded nonwoven fabric contains particulate material which is not in fiber form.
   
[List of Patents for class 442 subclass 376]  376 Including a free metal or alloy constituent:
  This subclass is indented under subclass 327.  Subject matter having a constituent which is a metal in elemental or alloy form (i.e., in other than the form of a chelate, salt, or compound resulting from the chemical reaction of a metal).
   
[List of Patents for class 442 subclass 377]  377 Metal or metal-coated strand or fiber material:
  This subclass is indented under subclass 376.  Subject matter wherein the metal constituent is in the form of a strand or fiber material or a coating applied to a strand or fiber material prior to forming the strand or fiber material into a fabric.
   
[List of Patents for class 442 subclass 378]  378 Preformed metallic film or foil or sheet (film or foil or sheet had structural integrity prior to association with the nonwoven fabric):
  This subclass is indented under subclass 376.  Subject matter wherein the metal constituent was provided by at least one preformed layer having had structural integrity prior to its association with the fabric.
   
[List of Patents for class 442 subclass 379]  379 Vapor, chemical, or spray deposited metal layer:
  This subclass is indented under subclass 376.  Subject matter wherein the metal constituent is in the form of a distinct layer provided by a vapor, chemical, spray, or electrochemical process (e.g., chemical precipitation or electrochemical deposition or plating).
   
[List of Patents for class 442 subclass 380]  380 Particulate free metal or alloy constituent:
  This subclass is indented under subclass 376.  Subject matter wherein the metal in elemental or alloy form is particulate material.
   
[List of Patents for class 442 subclass 381]  381 Including an additional nonwoven fabric:
  This subclass is indented under subclass 327.  Subject matter wherein the nonwoven fabric is in association with an additional nonwoven fabric.
   
[List of Patents for class 442 subclass 382]  382 Additional nonwoven fabric is a spun-bonded fabric:
  This subclass is indented under subclass 381.  Subject matter wherein the additional nonwoven fabric is a spun-bonded fabric.
   
[List of Patents for class 442 subclass 383]  383 Needled:
  This subclass is indented under subclass 382.  Subject matter wherein the first nonwoven fabric is needled prior to association with the spun-bonded fabric or the association therewith is by a needling process.
   
[List of Patents for class 442 subclass 384]  384 Hydroentangled:
  This subclass is indented under subclass 382.  Subject matter wherein the first nonwoven fabric is hydroentangled prior to association with the spun-bonded fabric or the association therewith is by a hydroentanglement process.
   
[List of Patents for class 442 subclass 385]  385 Including a wood fiber containing layer:
  This subclass is indented under subclass 381. Subject matter wherein the nonwoven fabric has associated therewith an additional wood fiber layer.
   
[List of Patents for class 442 subclass 386]  386 Including a layer derived from a water-settable material (e.g., cement, gypsum, etc.):
  This subclass is indented under subclass 381.  Subject matter wherein the nonwoven fabric has associated therewith a water-settable material (e.g., cement, gypsum, plaster, etc.) which forms a distinct layer.
   
[List of Patents for class 442 subclass 387]  387 Mechanically interengaged by needling or impingement of fluid (e.g., gas or liquid stream, etc.):
  This subclass is indented under subclass 381.  Subject matter wherein the first nonwoven fabric is needled or impinged by fluid such as a gas or liquid stream prior to association with the additional nonwoven fabric or the association therewith is by a needling or fluid impingement process.
   
[List of Patents for class 442 subclass 388]  388 Needled:
  This subclass is indented under subclass 387.  Subject matter wherein the nonwoven fabrics are mechanically interengaged by needling.
   
[List of Patents for class 442 subclass 389]  389 Separate nonwoven fabric layers comprise chemically different strand or fiber material:
  This subclass is indented under subclass 381. Subject matter wherein the nonwoven fabric layers comprise chemically different strand or fiber material.
   
[List of Patents for class 442 subclass 390]  390 At least one layer of inorganic strand or fiber material and at least one layer of synthetic polymeric strand or fiber material:
  This subclass is indented under subclass 389. Subject matter wherein the nonwoven layer comprises inorganic strands or fiber materials and the additional nonwoven layer comprises synthetic polymeric strand or fiber material.
   
[List of Patents for class 442 subclass 391]  391 Multiple nonwoven fabric layers composed of the same inorganic strand or fiber material:
  This subclass is indented under subclass 381. Subject matter wherein the nonwoven fabric layer and the additional nonwoven fabric layer comprise the same inorganic strand or fiber material.
   
[List of Patents for class 442 subclass 392]  392 Multiple nonwoven fabric layers composed of the same polymeric strand or fiber material:
  This subclass is indented under subclass 381. Subject matter wherein the nonwoven fabric layer and the additional nonwoven fabric layer comprise the same polymeric strand or fiber material.
   
[List of Patents for class 442 subclass 393]  393 Including particulate material other than fiber:
  This subclass is indented under subclass 381.  Subject matter wherein the nonwoven fabric layer includes particulate material which is not fiber.
   
[List of Patents for class 442 subclass 394]  394 Nonwoven fabric with a preformed polymeric film or sheet:
  This subclass is indented under subclass 327.  Subject matter wherein the nonwoven fabric is associated with a preformed polymeric film or sheet layer having structural integrity prior to association with the nonwoven fabric.
   
[List of Patents for class 442 subclass 395]  395 Ester condensation polymer sheet or film (e.g., polyethylene terephthalate, etc.):
  This subclass is indented under subclass 394.  Subject matter wherein the preformed polymeric film or sheet is an ester condensation polymer such as polyethylene terephthalate, etc.
   
[List of Patents for class 442 subclass 396]  396 Vinyl polymer or copolymer sheet or film (e.g., polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, etc.):
  This subclass is indented under subclass 394.  Subject matter wherein the preformed polymeric film or sheet is a vinyl polymer or copolymer such as polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, etc.
   
[List of Patents for class 442 subclass 397]  397 Fluorinated olefin polymer or copolymer sheet or film (e.g., Teflon&4121;):
  This subclass is indented under subclass 394.  Subject matter wherein the preformed polymeric film or sheet is a fluorinated olefin polymer or copolymer such as Teflon&4121;, etc.
   
[List of Patents for class 442 subclass 398]  398 Olefin polymer or copolymer sheet or film (e.g., polypropylene, polyethylene, ethylene-butylene copolymer, etc.):
  This subclass is indented under subclass 394.  Subject matter wherein the preformed polymeric film or sheet is an olefin polymer or copolymer such as polypropylene, polyethylene, ethylene-butylene copolymer, etc.
   
[List of Patents for class 442 subclass 399]  399 Natural or synthetic rubber sheet or film:
  This subclass is indented under subclass 394. Subject matter wherein the preformed polymeric film or sheet is a rubber, the rubber being natural or synthetic rubber.
   
[List of Patents for class 442 subclass 400]  400 Melt-blown nonwoven fabric:
  This subclass is indented under subclass 327. Subject matter wherein the nonwoven fabric is melt blown.
   
[List of Patents for class 442 subclass 401]  401 Spun-bonded nonwoven fabric:
  This subclass is indented under subclass 327. Subject matter wherein the nonwoven fabric is spun bonded.
   
[List of Patents for class 442 subclass 402]  402 Needled nonwoven fabric:
  This subclass is indented under subclass 327. Subject matter wherein the nonwoven fabric is needled.
   
[List of Patents for class 442 subclass 403]  403 Containing at least two chemically different strand or fiber materials:
  This subclass is indented under subclass 402.  Subject matter wherein the nonwoven fabric comprises two or more chemically different strands or fiber materials mechanically interengaged by needling.
   
[List of Patents for class 442 subclass 404]  404 Containing inorganic and polymeric strand or fiber materials:
  This subclass is indented under subclass 403.  Subject matter wherein the nonwoven fabric comprises at least one inorganic and at least one polymeric strand or fiber material mechanically interengaged by needling.
   
[List of Patents for class 442 subclass 405]  405 Containing polymeric and natural strand or fiber materials:
  This subclass is indented under subclass 403.  Subject matter wherein the nonwoven fabric comprises at least one polymeric and at least one natural strand or fiber material mechanically interengaged by needling.
   
[List of Patents for class 442 subclass 406]  406 Containing inorganic strand or fiber material:
  This subclass is indented under subclass 403.  Subject matter wherein the nonwoven fabric comprises two or more inorganic strand or fiber materials mechanically interengaged by needling.
   
[List of Patents for class 442 subclass 407]  407 Containing polymeric strand or fiber material:
  This subclass is indented under subclass 403.  Subject matter wherein the nonwoven fabric comprises two or more polymeric strand or fiber materials mechanically interengaged by needling.
   
[List of Patents for class 442 subclass 408]  408 Hydroentangled nonwoven fabric:
  This subclass is indented under subclass 327.  Subject matter wherein the nonwoven fabric is hydroentangled.
   
[List of Patents for class 442 subclass 409]  409 Autogenously bonded nonwoven fabric:
  This subclass is indented under subclass 327.  Subject matter wherein the nonwoven fabric is autogenously bonded (i.e., having heat- and/or pressure-promoted thermoplastic welding or solvent bonding).
   
[List of Patents for class 442 subclass 410]  410 Inorganic strand or fiber material only:
  This subclass is indented under subclass 409. Subject matter wherein the nonwoven fabric contains only inorganic strand or fiber material.
   
[List of Patents for class 442 subclass 411]  411 Containing at least two chemically different strand or fiber materials:
  This subclass is indented under subclass 409. Subject matter wherein the nonwoven fabric comprises two or more chemically different strands or fiber materials.
   
[List of Patents for class 442 subclass 412]  412 Including a paper layer:
  This subclass is indented under subclass 327.  Subject matter wherein the nonwoven fabric is in association with a paper layer.
   
[List of Patents for class 442 subclass 413]  413 Including a wood containing layer:
  This subclass is indented under subclass 327.  Subject matter wherein the nonwoven fabric is in association with an additional layer containing wood.
   
[List of Patents for class 442 subclass 414]  414 Including strand or fiber material which is stated to have specific attributes (e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.):
 This subclass is indented under subclass 327.  Subject matter wherein the nonwoven fabric includes strand or fiber material which has attributes such as heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc., the strand or fiber material attributes being specifically stated.
  (1) Note. Inherent properties of a given strand or fiber material should not be considered for classification purposes in this subclass, only specifically stated properties of the strand or fiber material.
  
[List of Patents for class 442 subclass 415]  415 Containing at least two chemically different strand or fiber materials:
  This subclass is indented under subclass 327. Subject matter wherein the nonwoven fabric comprises two or more chemically different strand or fiber materials.
   
[List of Patents for class 442 subclass 416]  416 Containing polymeric and natural strand or fiber materials:
  This subclass is indented under subclass 415. Subject matter wherein the nonwoven fabric comprises at least one polymeric and at least one natural strand or fiber material.
   
[List of Patents for class 442 subclass 417]  417 Including particulate material other than strand or fiber material:
  This subclass is indented under subclass 327.  Subject matter wherein the nonwoven fabric contains particulate material, the particulate material not being strand or fiber material.
   

FOREIGN ART COLLECTIONS

The definitions for FOR 100-FOR 167 below correspond to the definitions of the abolished subclasses (224-291) under Class 442 from which these collections were formed. See the Foreign Art Collection schedule for specific correspondences. [Note: The titles and definitions for indented art collections include all the details of the one(s) that are hierarchically superior.]
FOR 100 Textile, cloth or fabric (woven, knitted, etc., or nonwoven, but not paper):
  Foreign art collection for a product in which the web or sheet is disclosed as useful in the manufacture of clothing, draperies, upholstery, shoes or their reinforcements, or tire fabric reinforcements or other such wearing or household uses such as roofing felt and is claimed as a textile, cloth or fabric or the equivalent thereof.
   
FOR 101 Embodying mechanically interengaged strands, strand-portions or strand-like strips (e.g., weave, knit, etc.):
  Foreign art collection for a product not elsewhere provided for in which the structurally defined element or component comprises strands, strand-portions* or relatively narrow ribbon elements mechanically intertangled, interlooped, interwoven or intertwined.
   
FOR 102 Including strand-like strips:
  Foreign art collection for a product wherein at least some of the cross-joined constituents are relatively narrow ribbon-like elements mechanically interengaged with similar elements or with strands or strand-portions.
   
FOR 103 Intertangled strands or strand-portions:
  Foreign art collection for a product which consists of or includes a layer of strand material in a nonparallel arrangement with portions of the strand material interlocked with one another.
   
FOR 104 Glass strands or strand-portions:
  Foreign art collection for a product in which the material comprises strands of glass.
   
FOR 105 Including structurally modified or defined strand:
  Foreign art collection for a product in which constituent strands of the fabric are permanently either (a) deformed, (b) elongated, (c) enlarged in diameter, or (d) reduced in length following assembly of said strands to form the product or some physical or chemical characteristic of the strand is recited.
   
FOR 106 Elastic:
  Foreign art collection for a product in which the layer or component, or a portion or strand thereof possesses a relatively high degree of extensibility longitudinally and/or laterally of the web and the ability to resile from the extension with substantially no permanent deformation.
   
FOR 107 Including elastic strands:
  Foreign art collection for a product comprising individually resilient strands or strand-portions.
   
FOR 108 With parallel strips or strands not interengaged with other strands:
  Foreign art collection for a product which also includes a plurality of individual strands or strand-like strips lying side-by-side in a layer, whether touching or not and extending generally in the same direction without interengagement with any other strand or strip.
   
FOR 109 With paper or other fiber-containing layer or component:
  Foreign art collection for a product wherein the strand layer or component is part of a composite web which also includes a layer or component which consists of or includes fibers*.
   
FOR 110 Needled:
  Foreign art collection for a product in which adjacent layers of the composite web are secured to each other by intertanglement of the fibers of one layer with an adjacent layer, the intertanglement being disclosed as accomplished by the use of barbed needles passing through the layers.
   
FOR 111 And coated, impregnated or adhered:
  Foreign art collection for a product in which the fibers or any of the layers or components are covered or saturated, at least in part, with extraneous material or in which layers or components or constituents thereof, are joined to each other by an adhesive substance.
   
FOR 112 Coated, impregnated or adhered:
  Foreign art collection for a product in which the fibers or any of the layers or components are covered or saturated, at least in part, with extraneous material or in which at least some of the layers or components or constituents thereof are joined together by an adhesive substance.
   
FOR 113 Including particulate material:
  Foreign art collection for a product which includes material in the form of small particles embedded in or adhered to the surface of the web.
   
FOR 114 Strand-type component within layer or between layers:
  Foreign art collection for a product wherein the layer or component of interengaged strands is enclosed within a layer or between layers of nonstrand material.
   
FOR 115 With or between fiber-containing layer(s):
  Foreign art collection for a product wherein the enclosing layer(s) consists of or includes fibers.
   
FOR 116 With particulate material:
  Foreign art collection for a product which includes material in the form of small or minute particles incorporated as a distinct layer of the product, embedded therein or adhered to a surface matter.
   
FOR 117 Silicon containing particles (e.g., glass, talc, quartz, ceramic, etc.):
  Foreign art collection for a product in which the particles contain silicon in either the elemental or compound form.
   
FOR 118 Metal or metal compound particles:
  Foreign art collection for a product in which the particles contain a metal* in either its element or combined state.
   
FOR 119 Cillulosic particles (e.g., cork, etc.):
  Foreign art collection for a product in which the particles contain the carbohydrate known as cellulose in either its natural or modified form.
   
FOR 120 Free carbon particles (e.g., graphite, etc.):
  Foreign art collection for a product in which the particles consist of carbon in its element state or in any of its allotropic forms.
   
FOR 121 With coating, impregnation or bond:
  Foreign art collection for a product in which the web or sheet or constituent* thereof is fully covered or saturated with extraneous material or in which elements or components are adhesively or cohesively joined to one another.
   
FOR 122 Three or more layers:
  Foreign art collection for a product in which the sheet* or web* comprises at least three layers*.
   
FOR 123 Including netted or open mesh strand, filament or strip:
  Foreign art collection for a product in which at least one layer comprises strands or filaments or fibers or strand-portions or strips which are tied at their intersections or are loosely interwoven to provide interstices of substantial size.
   
FOR 124 Cellulosic layer:
  Foreign art collection for a product in which one of the layers comprises cellulose in either its natural or modified state.
   
FOR 125 Plural such layers:
  Foreign art collection for a product comprising at least two layers of cellulosic material in either the natural or modified state.
   
FOR 126 Natural rubber layer:
  Foreign art collection for a product in which one of the layers comprises the natural gum known as caoutchouc*, gutta percha* or balata* from the latex or sap of the "rubber" tree.
   
FOR 127 Interengaged strand component includes silicic or free metal material (e.g., asbestos, glass, etc.):
  Foreign art collection for a product in which the component which incorporates the interengaged strands comprises a material containing silicon or a free metal*.
   
FOR 128 Interengaged strand component includes synthetic fiber or filament:
  Foreign art collection for a product in which the component which incorporates the interengaged strands comprises a synthetic resin or polymer.
   
FOR 129 Knitted strand, filament, portion or strip:
  Foreign art collection for a product wherein the strand-type component comprises interlocked loops of strand* material.
   
FOR 130 Impregnation on single layer only:
  Foreign art collection for a product comprising a single layer of interlocked loops of strand-like material which is saturated or permeated with a fluid.
   
FOR 131 Netted or open mesh strand, filament, portion or strip:
  Foreign art collection for a product which comprises strand-type component having crossed strands which are tied at their junctures, or loosely interwoven strands which are arranged to provide interstitial spaces of substantial size.
   
FOR 132 Metal:
  Foreign art collection for a product in which the strands are metal*.
   
FOR 133 Particular or differential weave:
  Foreign art collection for a product wherein the strand-type layer or component has a specifically claimed woven texture or wherein the woven texture of one component differs substantially from that of another component of the web.
   
FOR 134 Warp differs from weft:
  Foreign art collection for a product in which all of the basic warp strands in a component differ from all of the basic weft strands, either physically, as in size or hardness, or with regard to the material from which they are made.
   
FOR 135 Materials differ:
  Foreign art collection for a product in which the weft strands differ from the warp strands with regard to the material from which each is made.
   
FOR 136 Coated or impregnated base:
  Foreign art collection for a product in which the web or sheet is fully covered or saturated with extraneous material.
   
FOR 137 Adhesive coating or impregnation:
  Foreign art collection for a product wherein the extraneous material is capable of sticking to a surface to which it may be applied or of being activated so as to have such capability.
   
FOR 138 Coating on surface of base:
  Foreign art collection for a product wherein the entraneous material covers the sheet or web, forming a layer on the surface thereof.
   
FOR 139 Metal or compound thereof or natural rubber in coating:
  Foreign art collection for a product in which the layer contains either (1) a free or combined metal or (2) natural rubber.
   
FOR 140 Base is cellulosic material:
  Foreign art collection for a product in which the web or sheet material is cellulosic* or is derived therefrom.
   
FOR 141 Boase comprises synthetic strands, fibers or filaments:
  Foreign art collection for a product wherein the constituent strands comprise artificially produced fibers* or filaments*.
   
FOR 142 Silicone, silane or siloxane in coating:
  Foreign art collection for a product in which the coating comprises (1) a compound similar to hydrocarbons in which the tetravalent silicon replaces the carbon atom, as SiH4--monosilane or silicomethane, (2) an elastomeric in which the carbon linkages of a polymerized hydrocarbon are replaced by Si-O linkages or (3) any of a class of compounds that contain alternate silicon and oxygen atoms in either a linear structure (such as H3Si(OSiH2)nOSiH3 or a cyclic structure as H2(SiO)n and that may also contain methyl, phenyl or other organic radicals in place of some or all of the hydrogen atoms and are made by hydrolysis of chlorosilanes or alkoxy-silanes.
   
FOR 143 Polyamide or polyimide (e.g., nylon, etc.) strands:
  Foreign art collection for a product in which the synthetic strand comprises polyamide* or polyimide*.
   
FOR 144 Glass fibers, filaments or strands:
  Foreign art collection for a product wherein the fibers or filaments are finely attenuated glass.
   
FOR 145 Keyed by penetration of interstices:
  Foreign art collection for a product in which a nonstrand layer or component has portions which enter the reticular spaces of a woven or braided layer or component.
   
FOR 146 Wool substrate impregnated:
  Foreign art collection for a product in which the component comprises the hair from a sheep, or from some other animal whose hair is similar in texture to that of sheep and is permeated or saturated at least in part with an extraneous material.
   
FOR 147 Asbestos fiber base impregnated:
  Foreign art collection for a product in which the component comprises fibers from the mineral asbestos and is permeated or saturated at least in part with an extraneous material.
   
FOR 148 Synthetic filament base impregnated:
  Foreign art collection for a product in which the component comprises artificially or man-made fibers or filaments and is saturated or permeated with extraneous material.
   
FOR 149 Glass:
  Foreign art collection for a product in which the synthetic fiber or filament is glass*.
   
FOR 150 Cellulosic monolayer impregnated:
  Foreign art collection for a product wherein the web or sheet material is a single layer of cellulose or is derived from cellulose and is saturated or permeated.
   
FOR 151 Impregnation contains metallic compound or free element:
  Foreign art collection for a product in which the extraneous material contains a metal* in either its free or combined form.
   
FOR 152 Phosphorous containing impregnant:
  Foreign art collection for a product in which the extraneous material contains a compound of phosphorus.
   
FOR 153 With halogen:
  Foreign art collection for a product in which the extraneous material also contains a halogen, which may be part of the phosphorous compound.