US PATENT SUBCLASS 218 / 27
.~.~.~ Connected to contact

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}
27.~.~.~ Connected to contact

DEFINITION

Classification: 218/27

Connected to contact:

(under subclass 23) Subject matter wherein the magnetic material is electrically connected to the stationary contact, and is so arranged to transfer the arc to the contact as soon as contact continuity is broken.