US PATENT SUBCLASS 337 / 308
.~.~.~ Individually responsive to diverse conditions or of diverse characteristics


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}
307  DF  .~.~ Plural expansible elements with single switch {1}
308.~.~.~ Individually responsive to diverse conditions or of diverse characteristics


DEFINITION

Classification: 337/308

(under subclass 307) Subject matter including at least two or more expansible elements, each of which is significantly described as responsive to diverse environmental conditions, such as immediate ambient temperature and external temperature for example, or of diverse operating

characteristics whereby the opening and/or closing of an electrical circuit is a resultant of the operative condition of all the elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

40, for similar subject matter in devices utilizing a plurality of electrothermally responsive bimetallic elements.

336, for similar devices utilizing a plurality of thermally actuated bimetallic elements.