US PATENT SUBCLASS 338 / 139
.~.~.~ Portion of element shorted


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

68  DF  MECHANICALLY VARIABLE (E.G., RHEOSTAT) {24}
118  DF  .~ Movable contact electrically adjustable over length of resistance element {21}
138  DF  .~.~ Element tapered {4}
139.~.~.~ Portion of element shorted


DEFINITION

Classification: 338/139

(under subclass 138) Subject matter wherein conductive material is disposed along or over, and in direct engagement with the resistance element to reduce the resistance of the element over a portion of its length to produce a tapered effect along the length of the element.

(1) Note. Examples of subject matter found here are helical resistors with certain of the element turns or portions of the turns short-circuited to produce a tapered effect, or resistance elements having conducting strips extending along their lengths.

SEE OR SEARCH THIS CLASS, SUBCLASS:

92+, for a resistor having a short circuiting means, which is adjustable to vary the resistance value.