US PATENT SUBCLASS 12 / 139
.~.~ Heel plates and sockets

Current as of: June, 1999
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12 /   HD   BOOT AND SHOE MAKING

128 R  DF  FORMS {9}
133 R  DF  .~ Lasts {10}
139.~.~ Heel plates and sockets

DEFINITION

Classification: 12/139

(under subclass 133) Lasts provided with reinforcements in the heel portion so that they may be mounted on spindle-jacks and withstand heavy operations, such as sole-leveling.