US PATENT SUBCLASS 442 / 48
.~.~.~ Bitumen coating or impregnation


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

1  DF  SCRIM (E.G., OPEN NET OR MESH, GAUZE, LOOSE OR OPEN WEAVE OR KNIT, ETC.) {2}
2  DF  .~ Woven scrim {15}
43  DF  .~.~ Coated or impregnated {4}
48.~.~.~ Bitumen coating or impregnation


DEFINITION

Classification: 442/48

Bitumen coating or impregnation:

(under subclass 43) Subject matter wherein the coating or impregnation contains pitch, asphalt, tar, bitumen, or the residue from the distillation of mineral oil and/or coal.