US PATENT SUBCLASS 313 / 6
.~.~ Plural control electrode units

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313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

1  DF  PLURAL UNIT {3}
5  DF  .~ Control electrode unit {1}
6.~.~ Plural control electrode units

DEFINITION

Classification: 313/6

(under subclass 5) Subject matter which includes a plurality of discharge devices each having a control electrode.

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems,

3+, and 35+ where the structural combination also includes a circuit element (e.g., switch, impedance, etc..), see subclasses 3+ where the devices are cathode-ray tubes and subclasses 35+ for other plural discharge devices.