US PATENT SUBCLASS 451 / 137
.~.~.~.~.~ Rectilinear

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
119  DF  .~ Rotary reciprocating tool {2}
120  DF  .~.~ Cylindrical tool {2}
124  DF  .~.~.~ Rectilinear {13}
136  DF  .~.~.~.~ Reciprocating work holder {2}
137.~.~.~.~.~ Rectilinear

DEFINITION

Classification: 451/137

Rectilinear:

(under subclass 136) Abrading machine in which the workpiece is moved to-and-fro along a straight line.