US PATENT SUBCLASS 442 / 136
.~ Coating or impregnation provides heat or fire protection


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}
136.~ Coating or impregnation provides heat or fire protection {7}
137  DF  .~.~> Coated or impregnated asbestos fabric
138  DF  .~.~> Coating or impregnation is specified as an intumescent material
139  DF  .~.~> Antimony containing
140  DF  .~.~> Boron containing
141  DF  .~.~> Phosphorus containing {4}
146  DF  .~.~> Halogen containing
147  DF  .~.~> Nitrogen containing


DEFINITION

Classification: 442/136

Coating or impregnation provides heat or fire protection:

(under subclass 59) Subject matter wherein the coating or impregnation is specifically stated to provide protection from heat or fire.