US PATENT SUBCLASS 168 / 41
.~.~.~ Friction

Current as of: June, 1999
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168 /   HD   FARRIERY

29  DF  CALKS {2}
31  DF  .~ Removable {8}
*  DD  .~.~ Tenoned {5}
41.~.~.~ Friction

DEFINITION

Classification: 168/41

Calk and shoe joined by a tenon-and-socket connection, the parts being retained by friction.