US PATENT SUBCLASS 313 / 268
.~.~ Insulating spacer between discharge electrodes

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}
268.~.~ Insulating spacer between discharge electrodes

DEFINITION

Classification: 313/268

(under subclass 243) Miscellaneous discharge devices which have an insulating spacer member interposed between two of the discharge electrodes.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

246, for discharge devices which have a tubular envelope portion of insulating material, the ends of the tubular member having closures of conductive material which are designed for use as electrodes of the discharge device, the electrodes and the insulating tubular portion forming the envelope of the discharge device.

257+, and the subclasses specified in the notes to the definition of those subclasses for discharge devices which are provided with an envelope and which have an insulating spacer interposed between two discharge electrodes or their supports, the electrodes being supported by support wires, rods or tubes within the envelope.