US PATENT SUBCLASS 337 / 339
.~.~.~.~.~ With interlocking

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

298  DF  THERMALLY ACTUATED SWITCHES {7}
333  DF  .~ With bimetallic element {9}
334  DF  .~.~ With manual or other mechanical contact control means {10}
337  DF  .~.~.~ Multiple contact or plural circuit control means {2}
338  DF  .~.~.~.~ Plural separate switches {1}
339.~.~.~.~.~ With interlocking

DEFINITION

Classification: 337/339

(under subclass 338) Subject matter including means whereby the plural switching devices are rendered interdependent, one on the other, thereby being caused to operate alternately, successively, or selectively; the operation of each one depending upon conditions in at least one other; for example, one device is prevented from operating while another is in an operated position, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

43, for similar subject matter in an electrothermally actuated switch.