(under subclass 250) Systems provided with an inductance connected either in electrical series relation or electrical shunt relation to at least one of the load devices and the source of current supply.
SEE OR SEARCH THIS CLASS, SUBCLASS:
283, and indented subclasses, for other pulsating or A. C. systems having an inductance connected in the supply circuit.
289, and indented subclass, and the subclasses specified in the notes to the definition of those subclasses for other systems provided with an inductance in the supply circuit.
SEE OR SEARCH CLASS
323, Electricity: Power Supply or Regulation Systems,
247, 301, 305, and 328, and the subclasses specified in the notes to the definition of those subclasses for miscellaneous reactor systems and for systems having an inductance for controlling the magnitude of the current and/or voltage in a single circuit.
