US PATENT SUBCLASS 29 / 616
.~.~.~.~ Powdering the insulation

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}
610.1  DF  .~.~ Resistor making {6}
613  DF  .~.~.~ With envelope or housing {4}
616.~.~.~.~ Powdering the insulation {1}
617  DF  .~.~.~.~.~> By oxidation

DEFINITION

Classification: 29/616

Powdering the insulation:

(under subclass 613) Process including reducing the solid insulation in which the resistance element is embedded, or by which the element is surrounded, to a powder.

SEE OR SEARCH CLASS

338, Electrical Resistors,

238+, for the structure of resistances embedded in powdered material with a metallic sheath.