US PATENT SUBCLASS 29 / 614
.~.~.~.~ Filling with powdered 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}
614.~.~.~.~ Filling with powdered insulation {1}
615  DF  .~.~.~.~.~> With direct compression of powdered insulation

DEFINITION

Classification: 29/614

Filling with powdered insulation:

(under subclass 613) Process including filling the housing or envelope with powdered insulation in a dry condition.

SEE OR SEARCH CLASS

53, Package Making,

473+, and 476+ for a method of filling and closing a receptacle.

338, Electrical Resistors,

238+, for resistance structure wherein the element is embedded in powdered material enclosed by a metallic sheath.