US PATENT SUBCLASS 313 / 288
.~.~.~.~ Spacer between envelope and support or electrode

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}
283  DF  .~ Electrode supported by envelope {2}
284  DF  .~.~ Electrode supporting member supported by envelope {1}
285  DF  .~.~.~ Supporting wire, rod, or tube supported by envelope {5}
288.~.~.~.~ Spacer between envelope and support or electrode

DEFINITION

Classification: 313/288

(under subclass 285) Devices having a spacer member interposed between the envelope of the discharge device and an electrode or electrode support.

(1) Note. For the definition of spacer, see (2) note to the definition of subclass 238.

SEE OR SEARCH THIS CLASS, SUBCLASS:

258, where the device is a discharge device having a plurality of electrodes.

292, for miscellaneous spacing elements, per se.