US PATENT SUBCLASS 470 / 136
.~.~ Nail type

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}
131  DF  .~ Wrought fastener making {2}
136.~.~ Nail type

DEFINITION

Classification: 470/136

Nail type:

(under subclass 131) Subject matter wherein the fastener being formed comprises 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.