US PATENT SUBCLASS 12 / 53.4
.~.~ By conforming impactor

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

51  DF  UPPER MACHINES {11}
53.1  DF  .~ Assembled shoe shaping {5}
53.4.~.~ By conforming impactor

DEFINITION

Classification: 12/53.4

(under subclass 53.1) Machines provided with reciprocating members which shape the uppers by a beating or hammering action.