US PATENT SUBCLASS 57 / 220
.~.~.~.~ With core other than wire

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

200  DF  STRAND STRUCTURE {11}
210  DF  .~ Covered or wrapped {10}
212  DF  .~.~ Wire wrapped {4}
218  DF  .~.~.~ Stranded wire-wrapped layer {3}
220.~.~.~.~ With core other than wire

DEFINITION

Classification: 57/220

With core other than wire:

(under subclass 218) Subject matter wherein strands other than wire are used to form the core.