US PATENT SUBCLASS 470 / 18
.~ Making internally threaded fastener, e.g., nut

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.~ Making internally threaded fastener, e.g., nut {5}
19  DF  .~.~> Lock-nut type, e.g., castellated nut
20  DF  .~.~> Having securement feature {1}
23  DF  .~.~> Having driver engagement feature, e.g., wing nut, etc.
24  DF  .~.~> Having decorative feature, e.g., cap nut, etc.
25  DF  .~.~> Formed by metal working {1}

DEFINITION

Classification: 470/18

Making internally threaded fastener, e.g., nut:

(under subclass 1) Subject matter wherein the fastener is provided with an internal helical ridge.