US PATENT SUBCLASS 218 / 117
.~.~ Solid

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}
117.~.~ Solid

DEFINITION

Classification: 218/117

Solid:

(under subclass 89) Subject matter wherein the interposed non-conductor is composed of a matter having a definite shape and volume in which the motion of the molecules is restricted.