(under the class definition) Inductor devices wherein the device comprises two windings whose respective turns are mutually crossed at a plurality of points.
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75+, and 115+, for inductors with relatively movable coils whose respective conductors may cross at different positional adjustments of the coils.
173+, for interlinking coils. The coils do not have mutually crossed turns but the coils as a whole are interlinking. Subclass 174 indented under 173 has a linear conductor as one coil.
182+, for plural windings with plural coils.
189+, for coils wherein the coil conductor crosses at a plurality of points in successive convolutions of the coil conductor.