US PATENT SUBCLASS 361 / 257
.~.~ With capacitor discharge into spark gap

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}
257.~.~ With capacitor discharge into spark gap

DEFINITION

Classification: 361/257

With capacitor discharge into spark gap:

(under subclass 253) Subject matter wherein a capacitor is in circuit with spark gap electrodes such that when the capacitor is sufficiently charged, an ignition spark will be produced between the electrodes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

251, for capacitor discharge firing of explosive devices.

256, for capacitor discharge into spark transformer to produce an ignition spark.