US PATENT SUBCLASS 218 / 41
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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}
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DEFINITION

Classification: 218/41

Barrier:

(under subclass 22) Subject matter wherein the circuit interrupter includes a partition for the insulation or isolation of electric arcs.