US PATENT SUBCLASS 442 / 410
.~.~ Inorganic strand or fiber material only

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

327  DF  NONWOVEN FABRIC (I.E., NONWOVEN STRAND OR FIBER MATERIAL) {20}
409  DF  .~ Autogenously bonded nonwoven fabric {2}
410.~.~ Inorganic strand or fiber material only

DEFINITION

Classification: 442/410

Inorganic strand or fiber material only:

(under subclass 409) Subject matter wherein the nonwoven fabric contains only inorganic strand or fiber material.