US PATENT SUBCLASS 57 / 29
.~.~ Curling hair

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

1 R  DF  APPARATUS AND PROCESSES {45}
28  DF  .~ Hair, grass or the like {2}
29.~.~ Curling hair

DEFINITION

Classification: 57/29

(under subclass 28) Apparatus having means to insert additional hard twist to cause the strand to curl or coil about its longitudinal axis.