US PATENT SUBCLASS 338 / 224
.~ Granular or powdered mixtures


Current as of: June, 1999
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338 /   HD   ELECTRICAL RESISTORS

223  DF  GRANULAR OR POWDERED ELEMENT {2}
224.~ Granular or powdered mixtures


DEFINITION

Classification: 338/224

(under subclass 223) Subject matter wherein the granular or powdered element consists of a mixture of two or more

different materials, each material being granular or powdered in the final state.

(1) Note. Subject matter in this subclass (224) usually consists of a conductive powdered material mixed with one or more powdered insulative materials. However, a mixture of two or more resistive materials in a powdered form is properly classified here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

7+, for a resistor using diverse material to compensate for temperature change.