US PATENT SUBCLASS 470 / 60
.~.~ Having head nicking

Current as of: June, 1999
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470 /   HD   THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS

57  DF  APPARATUS FOR MAKING EXTERNALLY THREADED FASTENER OR ARTICLE, E.G., SCREW, BOLT, ETC. {2}
58  DF  .~ Screw fastener making {6}
60.~.~ Having head nicking {3}
61  DF  .~.~.~> And shaving means
62  DF  .~.~.~> And rotatable workholder
63  DF  .~.~.~> Punch and die type

DEFINITION

Classification: 470/60

Having head nicking:

(under subclass 58) Subject matter provided with a component capable of forming a shallow notch, cut, or indentation in a head of the fastener.

SEE OR SEARCH CLASS

409, Gear Cutting, Milling, or Planing,

64+, for shaping material by means of a toothed rotary cutter unprovided for elsewhere.