US PATENT SUBCLASS 36 / 67 D
.~.~ Detachable

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

59 R  DF  ANTISLIPPING DEVICES {7}
67 R  DF  .~ Calks {4}
67 D.~.~ Detachable

Unofficial Alpha Subclasses: R A B C D

DEFINITION

Classification: 36/67

A calk consisting of spur-point and a shank forms the antislipping device, the shank being permanently inserted in the sole or heel.