US PATENT SUBCLASS 361 / 255
.~.~.~ Including spark electrode make-break

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

247  DF  IGNITING SYSTEMS {3}
253  DF  .~ For electric spark ignition {7}
254  DF  .~.~ With electromagnet control means {1}
255.~.~.~ Including spark electrode make-break

DEFINITION

Classification: 361/255

Including spark-electrode make-break:

(under subclass 254) Subject matter wherein an electromagnet causes the spark electrodes to move either together or apart so as to produce a spark.

SEE OR SEARCH THIS CLASS, SUBCLASS:

261, for particular mechanical arrangements allowing for electrode movement.