US PATENT SUBCLASS 442 / 66
.~.~.~ At least two coatings or impregnations of different chemical composition


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

59  DF  COATED OR IMPREGNATED WOVEN, KNIT, OR NONWOVEN FABRIC WHICH IS NOT (A) ASSOCIATED WITH ANOTHER PREFORMED LAYER OR FIBER LAYER OR, (B) WITH RESPECT TO WOVEN AND KNIT, CHARACTERIZED, RESPECTIVELY, BY A PARTICULAR OR DIFFERENTIAL WEAVE OR KNIT, WHEREIN THE COATING OR IMPREGNATION IS NEITHER A FOAMED MATERIAL NOR A FREE METAL OR ALLOY LAYER {36}
64  DF  .~ Two or more non-extruded coatings or impregnations {3}
65  DF  .~.~ Each major face of the fabric has at least one coating or impregnation {2}
66.~.~.~ At least two coatings or impregnations of different chemical composition {2}
67  DF  .~.~.~.~> Different coatings or impregnations on opposite faces of the fabric
68  DF  .~.~.~.~> At least one coating or impregnation contains particulate material {1}


DEFINITION

Classification: 442/66

At least two coatings or impregnations of different chemical composition:

(under subclass 65) Subject matter wherein the fabric has two or more chemically different coatings or impregnations.