US PATENT SUBCLASS 313 / 243
.~ For plural electrodes of discharge device

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.~ For plural electrodes of discharge device {3}
244  DF  .~.~> Envelope supports or forms electrode {5}
267  DF  .~.~> Plural rod electrodes
268  DF  .~.~> Insulating spacer between discharge electrodes

DEFINITION

Classification: 313/243

(under subclass 238) Discharge devices having means for supporting a plurality of electrodes of the discharge device or having means for spacing a plurality of electrodes of the discharge device either from each other or with respect to another part of the discharge device.

(1) Note. This subclass and subclasses 267 and 268 provide for the discharge devices which do not have an envelope and which have supporting and/or spacing structure for a plurality of electrodes. Indented subclass 244 provides for discharge devices which have an envelope and supporting and/or spacing structure for plural electrodes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118+, for spark plugs having supporting and spacing structure for a plurality of spark electrodes.