US PATENT SUBCLASS 338 / 305
.~.~ Element extends in or through openings or grooves in frame or support


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



338 /   HD   ELECTRICAL RESISTORS

296  DF  HELICAL OR WOUND RESISTANCE ELEMENT {7}
304  DF  .~ Element on frame or support {1}
305.~.~ Element extends in or through openings or grooves in frame or support


DEFINITION

Classification: 338/305

(under subclass 304) Subject matter wherein the resistance element is wound or otherwise disposed in a notch, groove or other opening in the frame or support, usually for the purpose of positioning the element on the frame or support.

(1) Note. The subject matter in this subclass usually involves a resistance element wound in notches on the surface of a supporting frame, or a helical resistance element extending through an opening in each of a series of supporting portions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

252, for an incased, embedded, or housed resistor whose element is embedded in a groove in the casing.

290, for a zigzag or sinuous type resistor whose element extends through openings or slots in a supporting frame.

303, for a helical or wound resistor whose element is wound in a groove on a cylindrical or prismatic core.

310, for resistors generally whose elements extend through a base. 317, for resistors generally whose elements thread or project through supports.