(under subclass 296) Subject matter wherein the resistance element is wound or coiled around a base which is flat or ribbon shaped, the coils of the winding engaging the flat surfaces as well as the edge surfaces of the base over the entire length of the coil to result in a flattened winding having a shape similar to the cross-sectional shape of the base.
(1) Note. For classification here the winding must be around the base and be flattened to the base. Where the helical element passes through openings in the base to result in the base surrounding the element and/or where the element is separated from the sides of the base to retain a circular cross section, classification is in subclasses 304+ below. Likewise a flattened winding on a base other than flat or ribbon like, as being wound on two spaced parallel struts, is not classified here, but in subclasses 304+ below.
(2) Note. The manner of applying the element to the base is immaterial for classification in this subclass. The element may be preformed as a coil and applied to the base.
SEE OR SEARCH THIS CLASS, SUBCLASS:
212, for flexible or folding tape resistors.
279+, for a resistor whose element is formed as a bent ribbon. 296, for helical or wound resistors generally of a particular shape.
297, for planar helical or winding type resistors.
