US PATENT SUBCLASS 361 / 6
.~.~.~ With voltage sensitive control circuit

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

1  DF  SAFETY AND PROTECTION OF SYSTEMS AND DEVICES {32}
2  DF  .~ Arc suppression at switching point (i.e., includes solid-state switch) {4}
3  DF  .~.~ Synchronized or sequential opening or closing {5}
6.~.~.~ With voltage sensitive control circuit

DEFINITION

Classification: 361/6

With voltage sensitive control circuit:

(under subclass 3) Subject matter wherein the opening or closing control circuit is responsive to the line voltage. The line voltage is that which is switched at the main switching points.

SEE OR SEARCH THIS CLASS, SUBCLASS:

21, for voltage responsive control circuits in generator protective systems.

33+, for voltage responsive control circuits in motor protective systems.

56, for voltage responsive control circuits in load shunting systems.

86, for voltage responsive control circuits in quantity comparison circuits.

88+, for voltage responsive fault sensors.

SEE OR SEARCH CLASS 307, Electrical Transmission or Interconnection Systems,

130, for voltage responsive switching circuits.

340, Communications: Electrical,

660+, for voltage responsive signalling means.