US PATENT SUBCLASS 442 / 243
.~.~ Woven fabric layers comprise chemically different strand material

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}
243.~.~ Woven fabric layers comprise chemically different strand material {1}
244  DF  .~.~.~> Three or more fabric layers {1}

DEFINITION

Classification: 442/243

Woven fabric layers comprise chemically different strand material:

(under subclass 239) Subject matter wherein the woven fabrics differ chemically one from another due to the composition of strand materials incorporated therein.