US PATENT SUBCLASS 313 / 296
.~ Plural interposed apertured electrodes

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

293  DF  DISCHARGING DEVICES WITH APERTURED ELECTRODE (E.G., GRID) INTERPOSED BETWEEN TWO ELECTRODES {6}
296.~ Plural interposed apertured electrodes {2}
297  DF  .~.~> Serially arranged {3}
301  DF  .~.~> Plural interelectrode discharge spaces

DEFINITION

Classification: 313/296

(under subclass 293) Discharge devices which have a plurality of apertured or grid-like electrodes interposed in the inter-electrode space defined by other electrodes.