(under the class definition) Subject matter wherein the resistance element or base has a significant shape and/or physical dimension.
(1) Note. The significant shape may be cross-sectional, such as in a tubular resistance.
SEE OR SEARCH THIS CLASS, SUBCLASS:
68+, for mechanically variable resistors whose resistance value may depend on shape, or wherein the variation is effected by a change in a dimension; especially subclass 71, for lamp socket type carbon compressible resistors; subclasses 99+, for compressible type resistors generally; subclasses 114+, for deformable resistors; subclasses 118+, for resistors whose effective length may be varied; and
subclasses 138+, for adjustable tapered resistors.
208, for mesh, woven, or braided resistors.
209, for extensible resistors. 210+, for flexible or folding resistors.
217+, for tapered fixed resistors.
279+, for a resistor whose element is formed as a ribbon bent or curved on its flat side.
283+, for zigzag or sinuous shaped resistors.
296+, for helical or wound resistors.
308+, for resistors with coated elements of significant thickness.
SEE OR SEARCH CLASS
29, Metal Working,
193+, for strips, rods, bars, or wires of significant shape.
174, Electricity: Conductors and Insulators,
138, for insulators of special application which may have a significant shape.
373, Industrial Electric Heating Furnaces, 134, for resistance furnaces wherein the resistance unit may have a particular shape.
