US PATENT SUBCLASS 337 / 324
.~.~ With auxiliary heater

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

298  DF  THERMALLY ACTUATED SWITCHES {7}
306  DF  .~ Expansible or vaporizable fluid actuated {12}
324.~.~ With auxiliary heater

DEFINITION

Classification: 337/324

(under subclass 306) Subject matter including significant details of structure comprising heat generating or concentrating means, such as heating coils or high resistance elements, serving to augment the heating effect of the heating medium normally surrounding or influencing the expansible fluid actuating means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

120, for similar subject matter in electrothermally responsive expansible fluid actuated switches.