US PATENT SUBCLASS 219 / 139
.~.~.~ Plural adjustable electrodes (e.g., hand torch)

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}
138  DF  .~.~ Electrode holder (e.g., spring biased tong) {4}
139.~.~.~ Plural adjustable electrodes (e.g., hand torch)

DEFINITION

Classification: 219/139

(under subclass 138) Subject matter having means for holding plural electrodes in adjustable relation.

SEE OR SEARCH CLASS

313, Electric Lamp and Discharge Devices,

147, for similar subject matter not used for metal heating.

314, Electric Lamp and Discharge Devices: Consumable Electrodes,

134, for analogous structure in arc lamps.