US PATENT SUBCLASS 442 / 280
.~.~.~ Coating or impregnation contains natural or synthetic rubber

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  DF  .~.~ Coated, impregnated, or autogenously bonded {7}
280.~.~.~ Coating or impregnation contains natural or synthetic rubber

DEFINITION

Classification: 442/280

Coating or impregnation contains natural or synthetic rubber:

(under subclass 277) Subject matter wherein the coating or impregnation includes natural or synthetic rubber.