US PATENT SUBCLASS 337 / 153
.~.~.~.~ With external or auxiliary heating means

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

Internet Version by PATENTEC © 1999      Terms of Use


337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
142  DF  .~ Fusible element actuated {15}
143  DF  .~.~ With manual or other mechanical contact control means {8}
150  DF  .~.~.~ Latching trip or holding means (actuated by condition by fuse element) {4}
153.~.~.~.~ With external or auxiliary heating means

DEFINITION

Classification: 337/153

(under subclass 150) Subject matter including significant details of heating means cooperating with but distinct from the fusible material whereby the fusible material is additionally heated by a thermal current traversing the heating means independently of the heat derived from the current directly traversing the fusible material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

77, for electrothermal, bimetallic element latch controlled switch with external or auxiliary heater for the latch.