US PATENT SUBCLASS 57 / 248
.~.~ Particular cross section


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

200  DF  STRAND STRUCTURE {11}
243  DF  .~ Multifilament yarns {5}
248.~.~ Particular cross section


DEFINITION

Classification: 57/248

Particular cross section:

(under subclass 243) Subject matter wherein the multifilament yarn includes filamentous or fibrous material which is of a cross section other than solid round, such as elliptical, multilobal, hollow, cruciform, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

215, 219, and 253, for other strand structures having components with particular cross sections.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

177, for extrusion of filaments having a particular cross section.

428, Stock Material or Miscellaneous Articles, 397+, for fibers or filaments of a particular cross section.