US PATENT SUBCLASS 442 / 340
.~.~ Strand or fiber material specified as having micro dimensions (i.e., microfiber)

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.~.~ Strand or fiber material specified as having micro dimensions (i.e., microfiber) {9}
341  DF  .~.~.~> Strand or fiber material is blended with another chemically different microfiber in the same layer {2}
344  DF  .~.~.~> Including other strand or fiber material in the same layer not specified as having micro dimensions
345  DF  .~.~.~> Including another chemically different microfiber in a separate layer
346  DF  .~.~.~> Including other strand or fiber material in a different layer not specified as having micro dimensions
347  DF  .~.~.~> Microfiber is a composite fiber
348  DF  .~.~.~> Microfiber is glass
349  DF  .~.~.~> Microfiber is carbon or carbonaceous
350  DF  .~.~.~> Autogenously bonded
351  DF  .~.~.~> Microfiber is synthetic polymer

DEFINITION

Classification: 442/340

Strand or fiber material specified as having micro dimensions (i.e., microfiber):

(under subclass 334) Subject matter wherein the strand or a filamentary constituent thereof or the fiber material is specified as having a diameter of less than 100 microns or is specified as microfibers.