US PATENT SUBCLASS 219 / 640
.~.~ Gear

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

600  DF  INDUCTIVE HEATING {7}
635  DF  .~ Specific heating application {8}
640.~.~ Gear

DEFINITION

Classification: 219/640

Gear:

(under subclass 635) Subject matter wherein the heating is applied to a cylindrical disk with a serrated (teeth) outer edge.

SEE OR SEARCH CLASS

148, Metal Treatment,

566+, for processes of heat treating ferrous metal gears using electrical energy.

266, Metallurgical Apparatus,

125+, for the miscellaneous apparatus for the heat treatment of metal gears.