US PATENT SUBCLASS 218 / 113
.~.~.~ Rotary 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}
89  DF  .~ Interposed non-conductor {3}
91  DF  .~.~ Liquid {14}
113.~.~.~ Rotary contact

DEFINITION

Classification: 218/113

Rotary contact:

(under subclass 91) Subject matter including a substantially annular rotatable contact member that precludes the displacement of the insulating fluid in which they are disposed.