US PATENT SUBCLASS 144 / 88
.~ Inclined chisel

Current as of: June, 1999
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144 /   HD   WOODWORKING

85  DF  DOVETAILING MACHINE {4}
88.~ Inclined chisel

DEFINITION

Classification: 144/88

Inclined chisel:

(under subclass 85) Machine having pairs or sets of chisels reciprocating at an angle to each other and the work to produce undercut recesses.