US PATENT SUBCLASS 219 / 76.15
.~.~.~ With nonconsumable electrode

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

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
76.1  DF  .~ For deposition welding (e.g., coating or building up) {6}
76.14  DF  .~.~ By electric arc {2}
76.15.~.~.~ With nonconsumable electrode

DEFINITION

Classification: 219/76.15

With nonconsumable electrode:

(under subclass 76.14) Subject matter including electrode arc producing means without consumption of the electrode.