US PATENT SUBCLASS 451 / 376
.~.~.~.~.~ Pattern control


Current as of: June, 1999
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451 /   HD   ABRADING

364  DF  WORK HOLDER {10}
365  DF  .~ Clamp {8}
367  DF  .~.~ Edge tool {8}
374  DF  .~.~.~ Rotary cutter {1}
375  DF  .~.~.~.~ Drill {1}
376.~.~.~.~.~ Pattern control


DEFINITION

Classification: 451/376

Pattern control:

(under subclass 375) Clamping drill bit holder having a templet for controlling movement of the drill bit when in contact with the abrading surface.