US PATENT SUBCLASS 409 / 139
.~ Means to remove scale or raised surface imperfection

Current as of: June, 1999
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409 /   HD   GEAR CUTTING, MILLING, OR PLANING

64  DF  MILLING {29}
139.~ Means to remove scale or raised surface imperfection {1}
140  DF  .~.~> Means to remove flash or burr

DEFINITION

Classification: 409/139

Means to remove scale or raised surface imperfection:

(under subclass 64) Apparatus particularly adapted to remove a coating off a workpiece or particularly adapted to remove an undesirable, relatively small raised portion from the surface of a workpiece.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning, for means to remove a coating off a workpiece by means other than a milling cutter.