US PATENT SUBCLASS 373 / 62
.~.~ Arc between spaced electrodes

Current as of: June, 1999
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373 /   HD   INDUSTRIAL ELECTRIC HEATING FURNACES

60  DF  ARC FURNACE DEVICE {9}
61  DF  .~ Indirect {3}
62.~.~ Arc between spaced electrodes {2}
63  DF  .~.~.~> Charge fed into space
64  DF  .~.~.~> With arc deflection means

DEFINITION

Classification: 373/62

Arc between spaced electrodes:

(under subclass 61) Subject matter the arc is between spaced electrodes and the material is heated by radiation from the arc.