US PATENT SUBCLASS 219 / 85.16
.~.~.~ Electrically heated tool (e.g., electrodes, heaters, etc.)

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

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
78.01  DF  .~ For bonding with pressure (e.g., resistance welding) {16}
85.1  DF  .~.~ Brazing or soldering {9}
85.16.~.~.~ Electrically heated tool (e.g., electrodes, heaters, etc.)

DEFINITION

Classification: 219/85.16

Electrically heated tool (e.g., electrodes, heaters, etc.):

(under subclass 85.1) Subject matter in which the required heat is applied to the metal workpiece by means of a resistance heated tool having a particular structure. Electrical current passes through the tool and produces the heat (e.g., electrodes, heaters, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

119, for the particular structure of an electrode.

229+, for a hand-manipulative tool with heated tip or heat applied to localized area.

523+, for resistance heater structure.