US PATENT SUBCLASS 470 / 26
.~.~.~ Forging

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

1  DF  PROCESS {5}
18  DF  .~ Making internally threaded fastener, e.g., nut {5}
25  DF  .~.~ Formed by metal working {1}
26.~.~.~ Forging

DEFINITION

Classification: 470/26

Forging:

(under subclass 25) Subject matter further having a step of heating metal.