US PATENT SUBCLASS 470 / 161
.~.~ Forming shank slot

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

110  DF  APPARATUS FOR MAKING HEADED FASTENER, E.G., NAIL, RIVET, ETC. {13}
156  DF  .~ Having cutting means {2}
161.~.~ Forming shank slot

DEFINITION

Classification: 470/161

Forming shank slot:

(under subclass 156) Subject matter wherein the apparatus is capable of producing a longitudinal cavity in the fastener.

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5, for screw head nicking milling machines.

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409, Gear Cutting, Milling, or Planing,

64+, for shaping provided for elsewhere.