US PATENT SUBCLASS 361 / 199
.~.~.~ Including electric discharge device

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

139  DF  CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES {7}
160  DF  .~ For relays or solenoids {11}
195  DF  .~.~ Time delay {3}
199.~.~.~ Including electric discharge device {1}
200  DF  .~.~.~.~> Threshold device (neon tube) {1}

DEFINITION

Classification: 361/199

Including electric discharge device:

(under subclass 195) Subject matter wherein the control circuit includes an electric discharge device connected between the timing circuit and the relay.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, appropriate subclasses for miscellaneous space discharge tube circuits. Also, consult the main class search notes and the search notes to the subclasses for a compilation of other classes having related art.