US PATENT SUBCLASS 219 / 124.31
.~.~.~.~ Having carriage supported by work

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}
124.1  DF  .~.~ With automatic positioning of arc {4}
124.22  DF  .~.~.~ In response to work shape {4}
124.31.~.~.~.~ Having carriage supported by work

DEFINITION

Classification: 219/124.31

Having carriage supported by work:

(under subclass 124.22) Subject matter wherein the arc torch support is provided by the work during the welding operation.