US PATENT SUBCLASS 442 / 338
.~.~.~ Hollow strand or fiber material

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}
335  DF  .~.~ Cross-sectional configuration of strand or fiber material is specified {4}
338.~.~.~ Hollow strand or fiber material

DEFINITION

Classification: 442/338

Hollow strand or fiber material:

(under subclass 335) Subject matter wherein the strand or a filamentary constituent thereof or the fiber material is tubular or hollow or characterized by one or more voids either co-extensive or non-coextensive along the length thereof.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles,

398, for hollow strand material, per se.