US PATENT SUBCLASS 218 / 35
.~.~.~ With vent means

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}
22  DF  .~ Magnetic blowout {7}
34  DF  .~.~ Arc chute {3}
35.~.~.~ With vent means

DEFINITION

Classification: 218/35

With vent means:

(under subclass 34) Subject matter including means to release excess arc gases generated within the chute.

SEE OR SEARCH THIS CLASS, SUBCLASS:

99, for liquid circuit breaker housing.

157, for general arc preventing device.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

306, for details of venting means in a switch housing.