US PATENT SUBCLASS 57 / 21
.~ Endless bands

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

1 R  DF  APPARATUS AND PROCESSES {45}
21.~ Endless bands

DEFINITION

Classification: 57/21

Means for forming endless bands, grommets and the like by a twisting or twining operation.

SEE OR SEARCH CLASS

140, Wireworking,

88, for comparison with this subclass (21).

242, Winding, Tensioning, or Guiding,

434+, for comparison with this subclass (21).