US PATENT SUBCLASS 218 / 95
.~.~.~.~ Chemical explosive primer

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}
92  DF  .~.~.~ Operating mechanism structure or arrangement {4}
95.~.~.~.~ Chemical explosive primer

DEFINITION

Classification: 218/95

Chemical explosive primer:

(under subclass 92) Subject matter including means of chemical propellants to close or open the interrupter.