US PATENT SUBCLASS 337 / 80
.~.~.~ With mercury or other conductive liquid circuit completion 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}
37  DF  .~.~ With manual or other mechanical contact controlling means {12}
80.~.~.~ With mercury or other conductive liquid circuit completion means

DEFINITION

Classification: 337/80

(under subclass 37) Subject matter wherein the mechanical contact controlling structure includes significant details of means whereby at least one electrical circuit is completed by means of a conductive liquid such as mercury.

SEE OR SEARCH THIS CLASS, SUBCLASS:

21, for electrothermal actuated switches in in which the electrothermal element itself comprises a conductive fluid.

331, for thermal expansible fluid actuated switch utilizing conductive liquid (e.g. mercury) contact means.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

182+, for mercury switches in general. 313, Electric Lamp and Discharge Devices,

163+, for electric discharge devices which have a liquid electrode.

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

47+, for electromagnetic switches with liquid contacts.