(under the class definition) Inductor devices wherein the coils forming the winding or the coil, per se, has a distinctive external contour or shape.
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20, for coil structures which are adapted to be deformed to change the inductance thereof.
60, for coils having ventilating passages therethrough.
61, for coils having their external surface modified by additional heat exchanging surfaces.
82, for inductors having a coil forming the external casing of the inductor.
127, for relatively movable spherically shaped coils.
128, for relatively movable coils one of which is tubular.
195, for grooved or hollow coil conductors for supporting another coil conductor therein.
199+, for coil turn supports, particularly subclass 208 for preformed coil supports or mounts.
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219, Electric Heating,
600+, for inductive heating, note subclasses 672+ for a specific heating inductor configuration and subclasses 635+ for a heater adapted to heat articles of specific shape; subclasses 678+ for microwave heating; and subclasses 764+ for capacitive dielectric heating.
310, Electrical Generator or Motor Structure, especially
179+, for dynamoelectric machine windings of particular shape.
313, Electric Lamp and Discharge Devices,
413, especially subclass 433, for electromagnetic coils of particular shape for deflecting and electron beam, subclass 442 for beam, and subclasses 153+ for windings of distinctive shape structurally associated with a space discharge device.
315, Electric Lamp and Discharge Devices: Systems, 4+, for inductor structure of particular shape combined structurally with a cathode ray tube, and subclass 40 for a space discharge device having an electrode formed of an inductive impedance of distinctive shape.
333, Wave Transmission Lines and Networks, particularly
13, 21, 22, 26, 33+, 109+, 117+, 125+, 156+, 202+, 219+, and 245+ for wave transmission networks having resonant line sections of distinctive shape.
334, Tuners,
75, for a variable inductor tuner in which the inductor is wound in a particular shape.
335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,
291+, for lifting, holding or tractive electromagnetic structure and specifically subclass 213 for electronic and ionic beam deflecting coil structure.
343, Communications: Radio Wave Antennas,
866+, for loop type antennas which may have a special shape.
428, Stock Material or Miscellaneous Articles,
544+, for stock materials, e.g., of indefinite length, which are all metal or have adjacent metal components, particularly subclasses 557+ for an intermediate metallic article, and 592 for stock which is helical or has a helical component. 600, Surgery,
13+, for magnet coils of specific configuration adapted to therapeutic uses.
D13, Equipment for Production, Distribution or Transformation of Electricity,
