US PATENT SUBCLASS 219 / 144
.~.~.~ Positive grip

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}
144.~.~.~ Positive grip

DEFINITION

Classification: 219/144

(under subclass 138) Subject matter in which means are provided for positively gripping the electrode.

SEE OR SEARCH THIS CLASS, SUBCLASS:

142, for this subject matter where the electrode jaw moves longitudinally of the axis of the electrode holder.