US PATENT SUBCLASS 442 / 250
.~.~.~ Woven fabric layers impregnated with a 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}
239  DF  .~ Woven fabric including an additional woven fabric layer {4}
246  DF  .~.~ Three or more fabric layers {6}
250.~.~.~ Woven fabric layers impregnated with a natural or synthetic rubber

DEFINITION

Classification: 442/250

Woven fabric layers impregnated with a natural or synthetic rubber:

(under subclass 246) Subject matter wherein the layers have been impregnated with a natural or synthetic rubber.