US PATENT SUBCLASS 36 / 39
.~ Rotary

Current as of: June, 1999
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36 /   HD   BOOTS, SHOES, AND LEGGINGS

34 R  DF  HEELS {6}
39.~ Rotary

DEFINITION

Classification: 36/39

(under subclass 34) Products at least a portion of which is mounted for movement about an axis which is substantially perpendicular to the wear surface of the heel.

(1) Note. Such rotation may occur during walking, or may be merely for adjustment.