US PATENT SUBCLASS 29 / 76.4
.~ Reciprocating type

Current as of: June, 1999
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29 /   HD   METAL WORKING

76.1  DF  FILING {4}
76.4.~ Reciprocating type

DEFINITION

Classification: 29/76.4

Reciprocating type:

(under subclass 76.1) Process or apparatus wherein the instrument moves in a back and forth motion.