US PATENT SUBCLASS 313 / 23-- .~.~.~ Plural electrode temperature modifying

US PATENT SUBCLASS 313 / 23
.~.~.~ Plural electrode temperature modifying

Current as of: June, 1999
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313 /	HD	ELECTRIC LAMP AND DISCHARGE DEVICES

11	DF	WITH TEMPERATURE MODIFIER {19}
17	DF	.~ Double wall, jacket or casing for envelope {5}
22	DF	.~.~ Fluid circulation type {2}
23		.~.~.~ Plural electrode temperature modifying

DEFINITION

Classification: 313/23

(under subclass 22) Subject matter where the lamp or discharge device has a plurality of electrodes and means are provided for modifying the temperature of a plurality of the electrodes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

19, where the lamp or discharge device is provided with an envelope which is made in whole or part of a conductive material.

28, for other lamps and discharge devices which are provided with a plurality of electrodes, a double wall envelope or a casing or jacket for the envelope and means for modifying the temperature of a plurality of the electrodes.