US PATENT SUBCLASS 313 / 309
DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE ELECTRODE

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

309DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE ELECTRODE

DEFINITION

Classification: 313/309

(under the class definition) Discharge devices having an electrode which has a plurality of pointed needle-like portions or which has a serrated edge.

SEE OR SEARCH THIS CLASS, SUBCLASS:

140, for this subject matter in spark plugs.

351, for the structure of multipointed or serrated edge electrodes, per se.