US PATENT SUBCLASS 470 / 10
.~.~.~ Forming thread

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


470 /   HD   THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS

1  DF  PROCESS {5}
8  DF  .~ Making externally threaded fastener, e.g., screw or bolt {2}
9  DF  .~.~ Screw {1}
10.~.~.~ Forming thread

DEFINITION

Classification: 470/10

Forming thread:

(under subclass 9) Subject matter having a step of producing an exterior helical ridge on the fastener.

SEE OR SEARCH THIS CLASS, SUBCLASS:

185+, for screw threading dies, per se.