US PATENT SUBCLASS 29 / 603.08
.~.~.~.~.~ Treating to affect magnetic properties

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
592.1  DF  .~ Electrical device making {14}
602.1  DF  .~.~ Electromagnet, transformer or inductor {6}
603.01  DF  .~.~.~ Magnetic recording reproducing transducer (e.g., tape head, core, etc.) {4}
603.07  DF  .~.~.~.~ Fabricating head structure or component thereof {7}
603.08.~.~.~.~.~ Treating to affect magnetic properties

DEFINITION

Classification: 29/603.08

Treating to affect magnetic properties:

(under subclass 603.07) Process wherein the fabricated head structure or component thereof is processed or acted upon to materially alter or influence the magnetic characteristics.

SEE OR SEARCH CLASS

148, Metal Treatment,

100+, for a process of heat treating magnetic material under the class definition; Class 148 specifically provides for metalworking or assembly in combination with metal treatment.