US PATENT SUBCLASS 313 / 601
.~.~ Start electrode not in main discharge path

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}
601.~.~ Start electrode not in main discharge path {2}
602  DF  .~.~.~> Trigger electrode concentric with discharge electrode
603  DF  .~.~.~> Triggerable vacuum gap device

DEFINITION

Classification: 313/601

Start electrode not in main discharge path:

(under subclass 581) Subject matter wherein one of the electrodes is a starting, trigger or control electrode and two of the electrodes are the discharge electrodes of the discharge device, the one electrode is placed out of the discharge path between the main discharge electrodes of the discharge device.