US PATENT SUBCLASS 218 / 138
.~.~.~.~ Potted or encapsulated


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  DF  .~.~.~ Housing structure {3}
138.~.~.~.~ Potted or encapsulated


DEFINITION

Classification: 218/138

Potted or encapsulated:

(under subclass 134) Subject matter wherein in the space between the box or housing and the electrical switch contained therein is occupied by a solid or semi-solid mass of insulating material; or wherein the electrical switch is directly encapsulated in a mass of insulating material with such mass itself forming the housing.