US PATENT SUBCLASS 168 / 37
.~.~ Hooked lug and wedge

Current as of: June, 1999
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168 /   HD   FARRIERY

29  DF  CALKS {2}
31  DF  .~ Removable {8}
37.~.~ Hooked lug and wedge

DEFINITION

Classification: 168/37

Calks or shoes provided with one or more undercut lugs which enter a socket and one wedged laterally to lock them in an undercut portion of the socket.