US PATENT SUBCLASS 470 / 149
.~.~ Forming cotter-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}
148  DF  .~ Having punch means {1}
149.~.~ Forming cotter-slot

DEFINITION

Classification: 470/149

Forming cotter-slot:

(under subclass 148) Subject matter wherein the cavity is usually a longitudinal channel in the fastener capable of receiving a securing element used to secure the fastener, i.e., a cotter key.