US PATENT SUBCLASS 442 / 282
.~.~.~ Coating or impregnation contains bituminous 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}
268  DF  .~ Woven fabric including a nonwoven fabric layer other than paper {4}
277  DF  .~.~ Coated, impregnated, or autogenously bonded {7}
282.~.~.~ Coating or impregnation contains bituminous material


DEFINITION

Classification: 442/282

Coating or impregnation contains bituminous material:

(under subclass 277) Subject matter wherein at least one layer is disclosed as being coated or impregnated with a pitch, asphalt, tar, bitumen, or the residue from the distillation of mineral oil and/or coal.