US PATENT SUBCLASS 337 / 32
.~.~.~ With grounding means

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

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
28  DF  .~ Space discharge device (gaps, lightning arrester, etc.) {4}
31  DF  .~.~ With fusible element (e.g., cutout means) {2}
32.~.~.~ With grounding means

DEFINITION

Classification: 337/32

(under subclass 31) Subject matter including a plate or other grounding terminal means, whereby, upon the occurrence of an abnormal voltage, a current discharge takes place to ground with the gap resuming a nonconducting condition when the voltage returns to normal value.

SEE OR SEARCH THIS CLASS, SUBCLASS:

199, for electrothermal, fusible element actuated switch having a housing, casing or support with electrical ground, shield or barrier.

SEE OR SEARCH CLASS

361, Electricity: Electrical Systems and Devices, appropriate subclasses, particularly

38+, 117+ 124+, and 131+ for protective devices of the discharge gap type with grounding means in addition to a fused cut out.