US PATENT SUBCLASS 218 / 111
.~.~.~ Explosion pot

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}
89  DF  .~ Interposed non-conductor {3}
91  DF  .~.~ Liquid {14}
111.~.~.~ Explosion pot

DEFINITION

Classification: 218/111

Explosion pot:

(under subclass 91) Subject matter including a strong shell which totally encloses the arcing area at the contacts.