(under subclass 420) Devices in which the service connection between the vehicles comprises means to transmit electrical power from one vehicle to the other vehicle.
SEE OR SEARCH CLASS
191, Electricity: Transmission to Vehicles,
11, for transmission of current from a single source to a plurality of vehicles in series.
213, Railway Draft Appliances,
1.3+, for the combination of a railway draft coupling and electrical connecting means.
439, Electrical Connectors, especially 34+, for an electrical connector combined with a "named" vehicle.
