US PATENT SUBCLASS 218 / 13
.~.~ Gas type

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


218 /   HD   HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES

1  DF  ARC PREVENTING OR EXTINGUISHING DEVICES {14}
8  DF  .~ Auxiliary shunt {8}
13.~.~ Gas type

DEFINITION

Classification: 218/13

Gas type:

(under subclass 8) Subject matter including a tank filled with arc extinguishing aeriform fluid, e.g., compressed air, helium, hydrogen, sulfur hexafluoride, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

85, for specific arc extinguishing gaseous medium.