US PATENT SUBCLASS 338 / 218
.~ Helical or wound


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

217  DF  TAPERED ELEMENT {1}
218.~ Helical or wound


DEFINITION

Classification: 338/218

(under subclass 217) Subject matter wherein the resistance element is of the helical or wound type as defined in subclass 296 below.

(1) Note. The diameter of the turns of the helix or winding or the spacing between the turns may change to produce the taper.

SEE OR SEARCH THIS CLASS, SUBCLASS:

141, for mechanically variable resistors whose resistance element is of the helical or wound type and tapered.

296+, for resistors of the helical or wound type generally.