US PATENT SUBCLASS 337 / 278
.~.~.~.~ Dielectric gap or barrier means (e.g., wedging dielectric)

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}
278.~.~.~.~ Dielectric gap or barrier means (e.g., wedging dielectric)

DEFINITION

Classification: 337/278

(under subclass 276) Subject matter including a dielectric material forming a gap or barrier between the two extremities of the arc when the fuse is blown thereby acting to snuff the arc.

SEE OR SEARCH CLASS

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

89+, for arc preventing or extinguishing means comprising a non-conductive barrier.