US PATENT SUBCLASS 36 / 67 R
.~ Calks

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

59 R  DF  ANTISLIPPING DEVICES {7}
67 R.~ Calks {4}
67 A  DF  .~.~> Cleats and calks
67 B  DF  .~.~> Metal
67 C  DF  .~.~> Driven
67 D  DF  .~.~> 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.