US PATENT SUBCLASS 219 / 124.34
.~.~.~.~ By using probe means

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}
124.34.~.~.~.~ By using probe means

DEFINITION

Classification: 219/124.34

By using probe means:

(under subclass 124.22) Subject matter including mechanical, optical, or magnetic work shape sensor means.

(1) Note. This subclass includes feedback circuit for control.