(under the class definition) Subject matter wherein the circuit for controlling the operation of the motive power means includes as electric discharge device.
SEE OR SEARCH CLASS
315, Electric Lamp and Discharge Devices: Systems,
200, and subclass 352 for miscellaneous systems for supplying an electric current and/or potential to an electric lamp and/or electric space discharge device of the gas or vapor ionization type, the system including an electric space discharge device. See subclass 200 where the discharge device is in the supply circuit of the lamp or discharge device, and subclass 352 where the discharge device is in the control circuit of the discharge control means of a discharge control type discharge device.
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,
518+, for miscellaneous control circuits which may include electron space discharge devices.
