US PATENT SUBCLASS 337 / 99
.~.~ With voltage or ambient temperature compensation means

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

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
36  DF  .~ With bimetallic elements (i.e., motion takes place in a plane at right angles to its major axis) {10}
99.~.~ With voltage or ambient temperature compensation means {2}
100  DF  .~.~.~> Auxiliary heating means
101  DF  .~.~.~> Bimetallic means

DEFINITION

Classification: 337/99

(under subclass 36) Subject matter including significant details of means whereby any tendencies toward variation of the operative characteristics of a switch device; due to changes in voltage applied to or in external condition, such as the temperature of the surrounding atmosphere, are prevented.

SEE OR SEARCH THIS CLASS, SUBCLASS:

124, for electrothermal, longitudinally expansible solid element switch with voltage or ambient temperature compensation means.

378, for similar devices utilizing thermally responsive bimetallic elements.

SEE OR SEARCH CLASS

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

44, for thermally controlled latch or trip means with ambient temperature compensation means. 361, Electricity: Electrical Systems and Devices,

140, and 164 for electric circuits for relays and electromagnets including means for compensating for thermal changes.