US PATENT SUBCLASS 373 / 82
.~.~.~ Through electrode

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

60  DF  ARC FURNACE DEVICE {9}
79  DF  .~ Charging or discharging {4}
81  DF  .~.~ Top charging {1}
82.~.~.~ Through electrode

DEFINITION

Classification: 373/82

Through electrode:

(under subclass 81) Subject matter wherein the furnace is charged through a hollow electrode.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88, for hollow electrodes, per se.