US PATENT SUBCLASS 337 / 23
.~.~ With significant heating means

Current as of: June, 1999
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337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
22  DF  .~ Fluorescent lamp-starting devices {3}
23.~.~ With significant heating means {1}
24  DF  .~.~.~> With shunt or short-circuiting means (for resistor)

DEFINITION

Classification: 337/23

(under subclass 22) Subject matter including at least one metallic resistance or other heating means whereby a thermostatic contact actuating means is heated by the current passing through the resistor or other heating means.

(1) Note. For other heating means employed in the devices of this class, see the subclasses listed under SEARCH THIS

CLASS, SUBCLASS in subclasses 103+.