US PATENT SUBCLASS 219 / 117.1
.~.~ Methods

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}
117.1.~.~ Methods {1}
118  DF  .~.~.~> Particular material (e.g., dissimilar, aluminum)

DEFINITION

Classification: 219/117.1

Methods:

(under subclass 78.01) Subject matter comprising processes of electric heating of metal for bonding with pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

78.12, for resistance welding methods of making honeycombs.