US PATENT SUBCLASS 218 / 24
.~.~.~ Magnetic yoke structure

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}
24.~.~.~ Magnetic yoke structure

DEFINITION

Classification: 218/24

Magnetic yoke structure:

(under subclass 23) Subject matter including the structural details of a contrivance for magnetically interconnecting a pair of pole plates which belong to the magnet.