US PATENT SUBCLASS 218 / 134
.~.~.~ Housing 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}
118  DF  .~ Vacuum {5}
121  DF  .~.~ Single-pole {3}
134.~.~.~ Housing structure {3}
135  DF  .~.~.~.~> Bellows
136  DF  .~.~.~.~> Shielding {1}
138  DF  .~.~.~.~> Potted or encapsulated

DEFINITION

Classification: 218/134

Housing structure:

(under subclass 121) Subject matter including structural details of an envelope or casing used in the single-pole vacuum switch.

SEE OR SEARCH THIS CLASS, SUBCLASS:

97+, for details of liquid circuit interrupter.

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.