US PATENT SUBCLASS 442 / 71
.~.~ At least two coatings or impregnations of different chemical composition

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
71.~.~ At least two coatings or impregnations of different chemical composition {1}
72  DF  .~.~.~> At least one coating or impregnation contains particulate material {1}

DEFINITION

Classification: 442/71

At least two coatings or impregnations of different chemical composition:

(under subclass 64) Subject matter wherein the fabric has at least two coatings or impregnations which are chemically different.