US PATENT SUBCLASS 218 / 123
.~.~.~ Contact 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}
123.~.~.~ Contact structure {5}
124  DF  .~.~.~.~> Movable
125  DF  .~.~.~.~> Fixed
126  DF  .~.~.~.~> Auxiliary
127  DF  .~.~.~.~> Significant shape {2}
130  DF  .~.~.~.~> Specific material {3}

DEFINITION

Classification: 218/123

Contact structure:

(under subclass 121) Subject matter wherein structural details of an electrode which engages or disengages to open or close the circuit within the circuit interrupter.

SEE OR SEARCH THIS CLASS, SUBCLASS:

16+, for auxiliary shunt circuit interrupter.

30+, for magnetic blowout circuit interrupter.

48+, for air-current blowout circuit interrupter.

65+, for puffer piston circuit interrupter.

74+, for sealed chamber circuit interrupter. 107+, for liquid circuit interrupter.

146+, for general arc preventing devices.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

237, 292 for switch contact features.

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets, appropriate subclasses for feature of electrical switch contact.

337, Electricity: Electrothermally or Thermally Actuated Switches, appropriate subclasses for feature of electrical switch contact.