US PATENT SUBCLASS 218 / 79
.~.~.~ Grounding switch

Current as of: June, 1999
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218 /   HD   HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES

1  DF  ARC PREVENTING OR EXTINGUISHING DEVICES {14}
43  DF  .~ Air-current blowout {18}
68  DF  .~.~ Sealed chamber {10}
79.~.~.~ Grounding switch

DEFINITION

Classification: 218/79

Grounding switch:

(under subclass 68) Subject matter including a mechanical switching device by means of which air-current blowout circuit breaker is electrically connected to earth.

SEE OR SEARCH THIS CLASS, SUBCLASS:

55, for air-current blowout circuit interrupter.