(under the class definition) Subject matter provided with signaling means, or indicator means, or alarm means operated by some part of the consumable electrode discharge device or the electrical circuits therefor to indicate some condition in the discharge device.
(1) Note. The condition indicated may be the amount of consumption of the electrodes or the time that the discharge device has been operated, or the degree of heat of some part of the discharge device, or any other desired condition.
SEE OR SEARCH THIS CLASS, SUBCLASS:
1, and indented subclasses, for systems including (1) a consumable electrode discharge device and another device or lamp, or (2) a consumable electrode discharge device having a plurality of cathodes and/or anodes, and provided with means for automatically substituting for (a) the consumable electrode discharge device the other discharge device or lamp, or (b) the first operated electrode another electrode, when the first operated device or electrode fails to maintain the discharge or is extinguished.
10, and indented subclasses, for discharge devices and systems under the class definition provided with automatically operating means to complete an electrical circuit in shunt about the discharge device or some part thereof, and/or to open the electric circuit of the discharge device or some part thereof, such means being automatically operated in response to some condition of the discharge device which prevents further operation of the discharge
device in the normal manner.
SEE OR SEARCH CLASS 116, Signals and Indicators, appropriate subclasses, for nonelectrical signals and indicators of general application.
315, Electric Lamp and Discharge Devices: Systems,
120, and subclass 129, and its indented subclasses, for miscellaneous systems for supplying electric current to electric lamps and/or electric space discharge devices of the gas or vapor ionization type, the system including signal means, indicator means, or alarm means for indicating some condition affecting the operation of the system.
340, Communications: Electrical,
500+, for electric signaling and alarm systems automatically responsive to a condition.
