US PATENT SUBCLASS 218 / 25
.~.~.~ Located outside switch housing

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}
23  DF  .~.~ Permanent magnet {5}
25.~.~.~ Located outside switch housing

DEFINITION

Classification: 218/25

Located outside switch housing:

(under subclass 23) Subject matter wherein the permanent magnet is placed exterior to a switch enclosure.