US PATENT SUBCLASS 337 / 273
.~.~ With arc suppression or extinguishing means


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.~.~ With arc suppression or extinguishing means {6}
274  DF  .~.~.~> Plural (e.g., auxiliary fuse) {1}
276  DF  .~.~.~> Dielectric filler material or compound (e.g., quartz) {2}
279  DF  .~.~.~> Deionizing gas or vapor generating material
280  DF  .~.~.~> Cooling, condensing or absorbing means
281  DF  .~.~.~> Blowout means (e.g., gaseous)
282  DF  .~.~.~> Arcing chamber or passage structure


DEFINITION

Classification: 337/273

(under subclass 142) Subject matter including significantly recited means whereby an electric arc or discharge which is established or tends to be established, between the ends of a fusible element when ruptured, or between contacts controlled by the fusible element, is either prevented from starting or is smothered or otherwise suppressed after starting.

SEE OR SEARCH CLASS

218, High-Voltage Switches With Arc Preventing and Extinguishing Devices,

1+, for arc preventing and extinguishing devices for mechanical switches.

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

201, for electromagnetically actuated switches with arc suppression means. 361, Electricity: Electrical Systems and Devices,

2+, for safety and protective devices with contact arc suppression means.