US PATENT SUBCLASS 451 / 68
.~.~.~ Work deformer

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
65  DF  .~ Combined {2}
67  DF  .~.~ With nonabrading means {4}
68.~.~.~ Work deformer

DEFINITION

Classification: 451/68

Work deformer:

(under subclass 67) Abrading machine including an abrading device of this class combined with another device which stresses a workpiece beyond its elastic limit, but below the fracture point.