US PATENT SUBCLASS 219 / 124.01
.~.~ With ignition by retraction

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
121.11  DF  .~ By arc {16}
124.01.~.~ With ignition by retraction

DEFINITION

Classification: 219/124.01

With ignition by retraction:

(under subclass 121) Subject matter wherein the arc heating means is initiated by a drawn arc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

130.4, for arc ignition and stabilization arrangements with arc-power supplies.