US PATENT SUBCLASS 431 / 264
.~ Spark electrode in front of or adjacent fuel discharger

Current as of: June, 1999
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431 /   HD   COMBUSTION

258  DF  BURNER HAVING ELECTRICAL HEATER OR IGNITER {4}
264.~ Spark electrode in front of or adjacent fuel discharger {2}
265  DF  .~.~> Gun type burner with electrode supported in air blast conduit
266  DF  .~.~> Spark circuit includes feed terminus

DEFINITION

Classification: 431/264

(under subclass 258) Apparatus including an electrode of a spark gap device positioned adjacent a fuel discharge nozzle or in front of it to ignite the discharged fuel.

SEE OR SEARCH CLASS

313, Electric Lamp and Discharge Devices, a

118+, for a spark device, per se.