US PATENT SUBCLASS 313 / 383
.~.~.~ Electrode or electrode support

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

364  DF  CATHODE RAY TUBE {11}
365  DF  .~ Image pickup tube {6}
373  DF  .~.~ With photoemissive cathode {8}
383.~.~.~ Electrode or electrode support

DEFINITION

Classification: 313/383

(under subclass 373) Subject matter including an additional electrode or support for the additional electrode or the photo-emissive cathode.

SEE OR SEARCH THIS CLASS, SUBCLASS:

390, for similar subject matter with a photo-conductive element.