US PATENT SUBCLASS 442 / 351
.~.~.~ Microfiber is synthetic polymer

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}
334  DF  .~ Including strand or fiber material which is of specific structural definition {3}
340  DF  .~.~ Strand or fiber material specified as having micro dimensions (i.e., microfiber) {9}
351.~.~.~ Microfiber is synthetic polymer

DEFINITION

Classification: 442/351

Microfiber is synthetic polymer:

(under subclass 340) Subject matter wherein the strand or a filamentary constituent thereof or the fiber material is a synthetic polymeric microfiber.