US PATENT SUBCLASS 313 / 599
.~.~.~.~ Plural serial apertured electrodes

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

567  DF  WITH GAS OR VAPOR {24}
581  DF  .~ Three or more electrode discharge device {9}
595  DF  .~.~ Internal start or control electrode between discharge electrodes {3}
597  DF  .~.~.~ Interposed apertured electrode {2}
599.~.~.~.~ Plural serial apertured electrodes

DEFINITION

Classification: 313/599

Plural serial apertured electrodes:

(under subclass 597) Subject matter wherein there are more than one apertured electrode in series in the electrical discharge path of the discharge device.