US PATENT SUBCLASS 218 / 97
.~.~.~ Housing or tank structure

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}
97.~.~.~ Housing or tank structure {2}
98  DF  .~.~.~.~> With raising and lowering means
99  DF  .~.~.~.~> With venting means

DEFINITION

Classification: 218/97

Housing or tank structure:

(under subclass 91) Subject matter including structural details of a casing or a container for holding the insulating liquid and components of the liquid circuit interrupter.

SEE OR SEARCH THIS CLASS, SUBCLASS:

134+, for details of single-phase vacuum circuit interrupter housing.

139, for details of vacuum circuit interrupter housing or tank.

155+, for details of housing of general arc preventing device.