US PATENT SUBCLASS 219 / 617
.~.~.~ Welding

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

600  DF  INDUCTIVE HEATING {7}
602  DF  .~ Metal working {1}
603  DF  .~.~ Bonding {7}
617.~.~.~ Welding

DEFINITION

Classification: 219/617

Welding:

(under subclass 603) Subject matter wherein the opposing surfaces are heated until soft enough to adhere to each other.

(1) Note. Welding may be accomplished with the application of heat and mechanical force.

SEE OR SEARCH THIS CLASS, SUBCLASS:

50+, for similar subject matter using resistance heating.