US PATENT SUBCLASS 218 / 47
.~.~.~ Plural chambers

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}
46  DF  .~.~ Arcing chamber {1}
47.~.~.~ Plural chambers

DEFINITION

Classification: 218/47

Plural chambers:

(under subclass 46) Subject matter wherein the chamber has

two or more compartments.