US PATENT SUBCLASS 12 / 40.5
.~ Shank pieces or stiffeners

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

17 R  DF  SOLE MACHINES {23}
40.5.~ Shank pieces or stiffeners

DEFINITION

Classification: 12/40.5

(under subclass 17) Machines provided with means for operating on reinforcing members adapted to extend between the heel and ball portions of a shoe for supporting the longitudinal arch of the foot.