US PATENT SUBCLASS 313 / 360.1
.~ Plural apertured electrodes

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

359.1  DF  WITH POSITIVE OR NEGATIVE ION ACCELERATION {4}
360.1.~ Plural apertured electrodes

DEFINITION

Classification: 313/360.1

Plural apertured electrodes:

(under subclass 359.1) Subject matter including two or more apertured electrodes.

(1) Note. In general, the electrodes here are accelerating electrodes.