US PATENT SUBCLASS 57 / 907
FOAMED AND/OR FIBRILLATED


Current as of: June, 1999
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57 /   HD   TEXTILES: SPINNING, TWISTING, AND TWINING

907FOAMED AND/OR FIBRILLATED


DEFINITION

Classification: 57/907

FOAMED AND/OR FIBRILLATED:

Twisted strand structures made from filamentary material which is porous or has cellular voids therein or from material which has been made filamentous usually by subjecting synthetic film, tape, or ribbon material to a treatment to split or break up the film, tape, or ribbon into a filamentous form.

SEE OR SEARCH THIS CLASS, SUBCLASS:

31+, for making twisted strands from web material.

235, 259 and 260, for twisted strands made from web material.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes, Digests 8 and 47 for splitting or fibrillating synthetic material.

428, Stock Material or Miscellaneous Articles,

304.4+, for webs or sheets made from foamed material.