US PATENT SUBCLASS 315 / 507
.~ With injection or extraction means

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

500  DF  HIGH ENERGY PARTICLE ACCELERATOR TUBE {3}
507.~ With injection or extraction means

DEFINITION

Classification: 315/507

With injection or extraction means:

(under subclass 500) Subject matter including (a) means combined with a source for introducing the electrons or other charged particles into a path or (b) means for ejecting the electrons or other charged particles after desired energy levels have been obtained.

SEE OR SEARCH CLASS

250, Radiant Energy,

423+, for methods and apparatus for generating ions.