US PATENT SUBCLASS 470 / 38
.~.~.~ Formed by heat treatment and metal shaping, i.e., wrought type

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}
27  DF  .~ Making headed fastener, e.g., rivet or nail, etc. {2}
34  DF  .~.~ Nail type {3}
38.~.~.~ Formed by heat treatment and metal shaping, i.e., wrought type {1}
39  DF  .~.~.~.~> Spike type

DEFINITION

Classification: 470/38

Formed by heat treatment and metal shaping, i.e., wrought type:

(under subclass 34) Subject matter having a step of heating or cooling a fastener and a step of shaping the fastener.