US PATENT SUBCLASS 313 / 262
.~.~.~.~.~ Ceramic bead for joining parts

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}
252  DF  .~.~.~ Support structure supported by the envelope {7}
257  DF  .~.~.~.~ With spacer between electrode or electrode supports {4}
262.~.~.~.~.~ Ceramic bead for joining parts

DEFINITION

Classification: 313/262

(under subclass 257) Discharge devices having a plurality of the wires, rods or tubes which support the electrodes from the envelope wall joined to an insulating or ceramic bead, or which have a plurality of wires or rods attached to different electrodes and joined to an insulating or ceramic bead so that the wires or rods and the bead serve to maintain one electrode in spaced relation to another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

256, for discharge devices under subclass 252, which have an insulating or ceramic supporting rod or tube which supports the electrodes and is supported by the envelope, a plurality of electrodes having wires or rods attached to them, the wires or rods being joined to the insulating or ceramic support rod so as to space one electrode from another.