US PATENT SUBCLASS 314 / 43
.~.~ Plural rotary electrode

Current as of: June, 1999
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314 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: CONSUMABLE ELECTRODES

39  DF  OSCILLATORY AND/OR ROTARY ELECTRODE MOTION TYPE {2}
42  DF  .~ Rotary electrode {1}
43.~.~ Plural rotary electrode

DEFINITION

Classification: 314/43

(under subclass 42) Subject matter wherein two or more electrodes have rotary motion during the operation of the discharge device.