US PATENT SUBCLASS 442 / 277
.~.~ Coated, impregnated, or autogenously bonded

Current as of: June, 1999
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442 /   HD   FABRIC (WOVEN, KNITTED, OR NONWOVEN TEXTILE OR CLOTH, ETC.)

181  DF  WOVEN FABRIC (I.E., WOVEN STRAND OR STRIP MATERIAL) {13}
268  DF  .~ Woven fabric including a nonwoven fabric layer other than paper {4}
277.~.~ Coated, impregnated, or autogenously bonded {7}
278  DF  .~.~.~> Plural nonwoven fabric layers
279  DF  .~.~.~> Coating or impregnation is derived from a water-settable material (e.g., cement, gypsum, etc.)
280  DF  .~.~.~> Coating or impregnation contains natural or synthetic rubber
281  DF  .~.~.~> Coating or impregnation contains synthetic polymeric material
282  DF  .~.~.~> Coating or impregnation contains bituminous material
283  DF  .~.~.~> Four or more layers {1}
285  DF  .~.~.~> Including particulate material other than fiber

DEFINITION

Classification: 442/277

Coated, impregnated, or autogenously bonded:

(under subclass 268) Subject matter wherein at least one layer has been coated or impregnated or subjected to autogenous bonding (i.e., wherein strand or filamentary components 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).