US PATENT SUBCLASS 337 / 277
.~.~.~.~ Liquid (e.g., hydrocarbon)

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

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
142  DF  .~ Fusible element actuated {15}
273  DF  .~.~ With arc suppression or extinguishing means {6}
276  DF  .~.~.~ Dielectric filler material or compound (e.g., quartz) {2}
277.~.~.~.~ Liquid (e.g., hydrocarbon)

DEFINITION

Classification: 337/277

(under subclass 276) Subject matter wherein the specifically recited dielectric material comprises a liquid. The liquid generally is of a hydrocarbon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

204, for housed, fusible element switches immersed in arc insulating liquid, usually for cooling purposes.

SEE OR SEARCH CLASS

208, Mineral Oils: Processes and Products,

14, for an insulating oil comprising only mineral oil components.

252, Compositions, 570+, for fluent dielectric compositions containing a nonhydrocarbon material.

585, Chemistry of Hydrocarbon Compounds,

6.3+, for an all-hydrocarbon insulating oil containing more

than mineral oil fractions.