US PATENT SUBCLASS 361 / 266
.~.~ With helical heating element

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

247  DF  IGNITING SYSTEMS {3}
264  DF  .~ For incandescent ignition {2}
266.~.~ With helical heating element

DEFINITION

Classification: 361/266

With helical heating element:

(under subclass 264) Subject matter wherein the incandescent igniter is in the form of a helix or coil.