US PATENT SUBCLASS 337 / 250
.~.~.~.~.~ Venting, cooling or deionizing


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}
227  DF  .~.~ Fuse link carrier or holder {2}
228  DF  .~.~.~ Cartridge or tube {9}
249  DF  .~.~.~.~ With gas expulsion means {1}
250.~.~.~.~.~ Venting, cooling or deionizing


DEFINITION

Classification: 337/250

(under subclass 249) Subject matter wherein the gas expulsion structure includes significant details of means comprising an opening or passage to the outside atmosphere thereby relieving pressure inside the tube, means for cooling the gas (as by an expansion chamber) or deionizing means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

279, for arc suppression or extinguishing means utilizing deionizing gas generating material.

280, for cooling means for the arc.