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Posted October 20005 - 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 200]  200 Sheath-core multicomponent strand material:
 This subclass is indented under subclass 199.  Subject matter wherein the strand or a filamentary component thereof contains two or more synthetic polymeric materials which are in sheath-core relationship across a cross section thereof.

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428 Stock Material or Miscellaneous Articles,   subclass 333 for a sheath-core filament or strand, per se.
  
[List of Patents for class 442 subclass 201]  201 Islands-in-sea multicomponent strand material:
  This subclass is indented under subclass 199.  Subject matter wherein the strand or a filamentary component thereof is characterized by two or more distinct polymeric materials in islands-in-sea distinct physical relationship across a cross section thereof.
   
[List of Patents for class 442 subclass 202]  202 Strand material is a blend of polymeric material and a filler material:
 This subclass is indented under subclass 199.  Subject matter wherein the strand or a filamentary component thereof comprises a blend or admixture of a synthetic polymeric material and one or more specified filler materials.

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428 Stock Material or Miscellaneous Articles,   subclass 372 for a strand or filament, per se, in combination with particulate matter.
  
[List of Patents for class 442 subclass 203]  203 Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified:
 This subclass is indented under subclass 181.  Subject matter wherein a characteristic of the fabric weave is specified other than the strand denier or the pick yarn (i.e., filling yarn) or warp yarn count (i.e., the number of yarns per specified unit of measure).

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139 Textiles: Weaving,   subclasses 383+ through 420+ for woven fabrics made solely by a weaving process without any other fabric processing prior to or following weaving.
  
[List of Patents for class 442 subclass 204]  204 Triaxially woven fabric:
  This subclass is indented under subclass 203. Subject matter wherein the fabric is specified as having been woven with strands disposed in at least three directions within an x-y plane.
   
[List of Patents for class 442 subclass 205]  205 Three dimensional weave (e.g., x-y-z planes, multiplanar warps and/or wefts, etc.):
  This subclass is indented under subclass 203.  Subject matter wherein the fabric is specified as composed of multiple stacked warps and/or multiple stacked wefts held in place, respectively, by weft or warp strands.
   
[List of Patents for class 442 subclass 206]  206 Multi-planar warp layers:
  This subclass is indented under subclass 205.  Subject matter wherein the fabric is characterized by multiple warp layers in more than one plane.
   
[List of Patents for class 442 subclass 207]  207 Multi-planar weft layers:
  This subclass is indented under subclass 205.  Subject matter wherein the fabric is characterized by multiple weft layers in more than one plane.
   
[List of Patents for class 442 subclass 208]  208 Warp differs from weft:
  This subclass is indented under subclass 203.  Subject matter wherein the warp yarns are stated to differ from the weft yarns in some specifically detailed manner other than a difference in denier or the number of yarns per unit of length or width.
   
[List of Patents for class 442 subclass 209]  209 Materials differ:
  This subclass is indented under subclass 208.  Subject matter wherein the strand material composing the warps and wefts differs chemically.
   
[List of Patents for class 442 subclass 210]  210 Including inorganic strand material:
  This subclass is indented under subclass 209. Subject matter wherein the strands of the warp and/or the weft are composed of inorganic material (e.g., carbon, ceramic, mineral, glass, etc.).
   
[List of Patents for class 442 subclass 211]  211 Including natural strand material (e.g., cotton, wool, etc.):
  This subclass is indented under subclass 210. Subject matter wherein the strands of the warp and/or the weft are composed of inorganic and natural materials (e.g., cotton, wool, etc.).
   
[List of Patents for class 442 subclass 212]  212 Including synthetic polymeric strand material:
  This subclass is indented under subclass 210. Subject matter wherein the strands of the warp and/or the weft are composed of inorganic and synthetic polymeric material (e.g., viscose rayon, polyamide, polyester, polyimide, etc.).
   
[List of Patents for class 442 subclass 213]  213 Including synthetic polymeric strand material:
  This subclass is indented under subclass 209. Subject matter wherein the strands of the warp and/or the weft are composed of synthetic polymeric material (e.g., viscose rayon, polyamide, polyester, polyimide, etc.).
   
[List of Patents for class 442 subclass 214]  214 Including natural strand material:
  This subclass is indented under subclass 213. Subject matter wherein the strands of the warp and/or the weft are composed of synthetic polymeric and natural material.
   
[List of Patents for class 442 subclass 215]  215 Including polyamide strand material:
  This subclass is indented under subclass 213. Subject matter wherein the synthetic polymeric material is a polyamide (e.g., nylon, etc.).
   
[List of Patents for class 442 subclass 216]  216 Including polyester strand material:
  This subclass is indented under subclass 213. Subject matter wherein the synthetic polymeric material is a polyester.
   
[List of Patents for class 442 subclass 217]  217 Warp and weft are identical and contain at least two chemically different strand materials:
  This subclass is indented under subclass 203.  Subject matter wherein at least two chemically different strand materials are disposed in the warp and the same combination of chemically different strand materials are disposed in the weft.
   
[List of Patents for class 442 subclass 218]  218 Coated, impregnated, or autogenous bonded:
  This subclass is indented under subclass 203.  Subject matter wherein the fabric has been coated or impregnated or autogenously bonded (i.e., wherein strands or filamentary components thereof 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 219]  219 Woven fabric contains inorganic strand material:
  This subclass is indented under subclass 218. Subject matter wherein the strands are composed of inorganic material (e.g., carbon, ceramic, mineral, glass, etc.).
   
[List of Patents for class 442 subclass 220]  220 Woven fabric contains synthetic polymeric strand material:
  This subclass is indented under subclass 218. Subject matter wherein the strands are composed of synthetic polymeric material (e.g., viscose rayon, polyamide, polyimide, polyester, etc.).
   
[List of Patents for class 442 subclass 221]  221 Including a foamed layer or component:
  This subclass is indented under subclass 181.  Subject matter including a component or layer specified as being a foam (i.e., a material characterized by a multitude of open or closed cells).
   
[List of Patents for class 442 subclass 222]  222 Including a free metal or alloy constituent:
 This subclass is indented under subclass 221.  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, or (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 223]  223 Plural foamed layers:
  This subclass is indented under subclass 221.  Subject matter characterized by having two or more distinct foam layers.
   
[List of Patents for class 442 subclass 224]  224 Plural fabric layers:
  This subclass is indented under subclass 221.  Subject matter characterized by having two or more distinct fabric layers.
   
[List of Patents for class 442 subclass 225]  225 Including a nonwoven fabric layer:
  This subclass is indented under subclass 224. Subject matter wherein at least one fabric layer is nonwoven.
   
[List of Patents for class 442 subclass 226]  226 Woven fabric is coated, impregnated, or autogenously bonded:
  This subclass is indented under subclass 221.  Subject matter wherein the woven fabric has been coated or impregnated or autogenously bonded (i.e., wherein the strands or filamentary components thereof 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 227]  227 Coating or impregnation includes particulate material other than fiber:
  This subclass is indented under subclass 226.  Subject matter wherein the coating or impregnation contains particulate material which is not fiber.
   
[List of Patents for class 442 subclass 228]  228 Including a free metal or alloy constituent:
  This subclass is indented under subclass 181.  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 229]  229 Metal or metal-coated strand:
 This subclass is indented under subclass 228.  Subject matter wherein the metal constituent is in the form of a strand or a coating applied to a strand or strands prior to weaving the strand or strands into a fabric.

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139 Textiles: Weaving,   subclass 425 for metal-containing fabrics formed solely from a weaving process and no other process prior to or following weaving.
  
[List of Patents for class 442 subclass 230]  230 Vapor or sputter deposited metal layer:
  This subclass is indented under subclass 228.  Subject matter wherein the metal constituent is in the form of a metal coating provided by a vapor deposition or sputter deposition process.
   
[List of Patents for class 442 subclass 231]  231 Chemically deposited metal layer (e.g., chemical precipitation or electrochemical deposition or plating, etc.):
  This subclass is indented under subclass 228.  Subject matter wherein the metal constituent is in the form of a distinct layer provided by a chemical or electrochemical process such as chemical precipitation, electrochemical deposition, or plating.
   
[List of Patents for class 442 subclass 232]  232 Preformed metallic film or foil or sheet (film or foil or sheet had structural integrity prior to association with the woven fabric):
  This subclass is indented under subclass 228.  Subject matter wherein the metal constituent comprises at least one preformed film, foil, or sheet layer having had structural integrity prior to its association with the fabric.
   
[List of Patents for class 442 subclass 233]  233 Plural metallic films or foils or sheets:
  This subclass is indented under subclass 232.  Subject matter characterized by two or more such preformed layers.
   
[List of Patents for class 442 subclass 234]  234 Plural fabric layers:
  This subclass is indented under subclass 232.  Subject matter characterized by having two or more fabric (woven, nonwoven, knit) layers.
   
[List of Patents for class 442 subclass 235]  235 Including a nonwoven fabric layer:
  This subclass is indented under subclass 234. Subject matter wherein at least one fabric layer is nonwoven.
   
[List of Patents for class 442 subclass 236]  236 Including a preformed synthetic polymeric film or sheet (i.e., film or sheet having structural integrity prior to association with the woven fabric):
  This subclass is indented under subclass 232.  Subject matter which contains at least one additional preformed synthetic polymeric film or sheet having had structural integrity prior to association with the fabric and which maintains its structural integrity after association with the fabric.
   
[List of Patents for class 442 subclass 237]  237 Including particulate material other than fiber:
  This subclass is indented under subclass 232.  Subject matter which contains particulate material which is not fiber.
   
[List of Patents for class 442 subclass 238]  238 Plural fabric layers:
  This subclass is indented under subclass 228.  Subject matter characterized by having two or more fabric (woven, nonwoven, knit) layers.
   
[List of Patents for class 442 subclass 239]  239 Woven fabric including an additional woven fabric layer:
  This subclass is indented under subclass 181.  Subject matter wherein the woven fabric is in combined association with an additional woven fabric.
   
[List of Patents for class 442 subclass 240]  240 Mechanically needled or hydroentangled:
 This subclass is indented under subclass 239.  Subject matter wherein the woven fabric layers have been adhered to one another by a mechanical needling or hydroentanglement process.
  (1) Note. In a mechanical needling process, barbed needles are forced through fiber layers and in the process displace enough fibers to cause interlayer penetration of fibers with resultant fiber layer bonding.
  (2) Note. In a hydroentanglement process, streams of water are forced through fiber layers and in the process displace enough fibers to cause interlayer penetration of fibers with resultant fiber layer bonding.

SEE OR SEARCH CLASS:

156 Adhesive Bonding and Miscellaneous Chemical Manufacture,   subclass 148 for a process of associating one woven web with another using a process of needling.
  
[List of Patents for class 442 subclass 241]  241 Four or more layers:
  This subclass is indented under subclass 240.  Subject matter wherein four or more layers have been subjected to a needling or hydroentanglement operation.
   
[List of Patents for class 442 subclass 242]  242 Coated, impregnated, or autogenously bonded:
  This subclass is indented under subclass 240.  Subject matter wherein at least one woven fabric has been coated or impregnated or subjected to autogenous bonding (i.e., wherein the strand or filamentary components of the fabric 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 243]  243 Woven fabric layers comprise chemically different strand material:
  This subclass is indented under subclass 239.  Subject matter wherein the woven fabrics differ chemically one from another due to the composition of strand materials incorporated therein.
   
[List of Patents for class 442 subclass 244]  244 Three or more fabric layers:
  This subclass is indented under subclass 243. Subject matter composed of three or more fabric (woven, nonwoven, knitted) layers.
   
[List of Patents for class 442 subclass 245]  245 One of which is a nonwoven fabric layer:
 This subclass is indented under subclass 244. Subject matter wherein at least one fabric layer is nonwoven.
  (1) Note. A nonwoven fabric is an assembly having structural integrity of continuous or discontinuous fibers held together in random or ordered (e.g., parallel, etc.) array by (a) mechanical interlock (e.g., as a consequence of needling or hydroentangling, etc.), (b) in the case of thermoplastic fibers, heat-induced bonding (i.e., fusing), or (c) an impregnation or coating of a bonding agent. Paper is not to be considered as nonwoven fabric for classification here.
  
[List of Patents for class 442 subclass 246]  246 Three or more fabric layers:
  This subclass is indented under subclass 239. Subject matter wherein the woven fabric is combined with two or more additional fabric (woven, nonwoven, knit) layers.
   
[List of Patents for class 442 subclass 247]  247 One of which is a nonwoven fabric layer:
  This subclass is indented under subclass 246. Subject matter wherein at least one of the additional fabric layers is nonwoven.
   
[List of Patents for class 442 subclass 248]  248 Woven fabric layers impregnated with a blend of thermosetting and thermoplastic resins:
  This subclass is indented under subclass 246.  Subject matter wherein the woven fabric layers are impregnated with a blend of a thermosetting resin (i.e., a resin which hardens when subjected to heating conditions) and a thermoplastic resin (i.e., a resin rendered soft and moldable under heating conditions).
   
[List of Patents for class 442 subclass 249]  249 Woven fabric layers impregnated with an organosilicon resin:
 This subclass is indented under subclass 246.  Subject matter wherein the layers have been impregnated with a polymeric organic silicon compound or an organosilicon oxide polymer.
  (1) Note. Organosilicon resins usually serve as water and heat-resistant lubricants and finishers and can impart stain resistance, water repellency, and an enhanced crease resistance and feeling of softness to fabrics treated therewith.

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