US PATENT SUBCLASS 313 / 249
.~.~.~ Elongated envelope with electrodes spaced along length


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

238  DF  WITH SUPPORT AND/OR SPACING STRUCTURE FOR ELECTRODE AND/OR SHIELD {9}
243  DF  .~ For plural electrodes of discharge device {3}
244  DF  .~.~ Envelope supports or forms electrode {5}
249.~.~.~ Elongated envelope with electrodes spaced along length {2}
250  DF  .~.~.~.~> With spacer between electrodes or electrode supports
251  DF  .~.~.~.~> Plural electrodes supported along the length of a wire, rod, or tube


DEFINITION

Classification: 313/249

(under subclass 244) Discharge devices where the envelope is elongated, the electrodes being mounted in spaced relation along the longitudinal axis of the envelope.

SEE OR SEARCH THIS CLASS, SUBCLASS:

245, for discharge devices with supporting and/or spacing structure for three or more electrodes which are arranged to form a plurality of separate discharge spaces, a plurality of the electrodes being mounted in spaced relation along the length of another electrode.

SEE OR SEARCH CLASS

331, Oscillators,

98, for oscillators utilizing disk seal tubes (e.g., lighthouse, pencil tube) enclosed by distributed parameter resonators.