US PATENT SUBCLASS 313 / 603
.~.~.~ Triggerable vacuum gap device


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  DF  .~.~ Start electrode not in main discharge path {2}
603.~.~.~ Triggerable vacuum gap device


DEFINITION

Classification: 313/603

Triggerable vacuum gap device:

(under subclass 601) Subject matter wherein there is a starting electrode which injects an ionized gas or vapor into the discharge device as a result of an overload so that an electrical discharge can be transferred to the discharge electrodes of the discharge device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

231.01+, for a fluent material supply or flow directing means in a discharge device lamp, radiation source or discharge device.