US PATENT SUBCLASS 313 / 19
.~.~.~ With 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}
18  DF  .~.~ For conductive envelope devices {3}
19.~.~.~ With plural electrode temperature modifying

DEFINITION

Classification: 313/19

(under subclass 18) Subject matter wherein 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:

23, for other lamps and discharge devices which are provided with a plurality of electrodes, a double wall jacket or casing for the envelope and means for circulating a fluid within the double wall envelope, casing, or jacket to modify the temperature of a plurality of the electrodes.

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.