US PATENT SUBCLASS 470 / 192
.~ Nail forming die

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

183  DF  IMPLEMENT, E.G., DIE, ETC. {10}
192.~ Nail forming die {3}
193  DF  .~.~> Horseshoe type {1}
195  DF  .~.~> Wire type
196  DF  .~.~> Wrought type

DEFINITION

Classification: 470/192

Nail forming die:

(under subclass 183) Subject matter specially adapted to form a fastener comprising a structure having an impact receiving surface adapted to receive an axially applied force which causes the fastener to penetrate material, substructure, or other work desired to be fastened.