US PATENT SUBCLASS 337 / 279
.~.~.~ Deionizing gas or vapor generating material


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}
279.~.~.~ Deionizing gas or vapor generating material


DEFINITION

Classification: 337/279

(under subclass 273) Subject matter wherein the suppression or extinction means consists of a material capable of generating a deionizing gas or vapor when heated.

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators, appropriate subclasses, especially

102+, for armored conductors with arc extinguishing vapor generating filler material.

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

1+, and 89+ for vapor generating nonconducting material.

252, Compositions, 2+, especially subclass 8 for fire or arc extinguishing materials charged with volatile liquid or gas.

361, Electricity: Electrical Systems and Devices,

117+, for protective devices utilizing a gas generating arc quenching material.