US PATENT SUBCLASS 218 / 11
.~.~ Tubular shaped
Current as of:
June, 1999
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218 /
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HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES
1
DF
ARC PREVENTING OR EXTINGUISHING DEVICES
{14}
8
DF
.~ Auxiliary shunt {8}
11
.~.~ Tubular shaped
DEFINITION
Classification: 218/11
Tubular shaped:
(under subclass 8) Subject matter wherein the interrupter is shaped like a hollow elongated cylinder.