US PATENT SUBCLASS 219 / 61.5
.~.~ With condition responsive control of the welding process

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

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
59.1  DF  .~ Of cylinders (e.g., pipes and tubes) {14}
61.5.~.~ With condition responsive control of the welding process

DEFINITION

Classification: 219/61.5

With condition responsive control of the welding process:

(under subclass 59.1) Subject matter wherein the control means of the welding apparatus responds to a sensed condition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

86.41+, for spot bonding with electrode condition responsive control means.

91.1, for spot bonding with condition responsive control means.

124.1+, for automatic positioning of an arc.