US PATENT SUBCLASS 218 / 4
.~.~ Series connected break

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}
2  DF  .~ Multiple break {5}
4.~.~ Series connected break

DEFINITION

Classification: 218/4

Series connected break:

(under subclass 2) Subject matter in which two or more breakers are connected end to end so that the same current flows between them.

SEE OR SEARCH THIS CLASS, SUBCLASS:

69, for sealed chamber of air-current blowout type circuit breaker.