(under subclass 126) Subject matter wherein the gaseous space discharge device comprises at least two electrodes usually in an unconfined gas or vapor medium, the discharge therebetween being of the nature of a sudden disruptive breakdown of the medium (i.e., spark) as distinguished from an arc, glow or brush discharges, which discharges are of much longer duration.
SEE OR SEARCH CLASS
314, Electric Lamp and Discharge Devices: Consumable Electrodes, appropriate subclasses, for systems wherein the discharge device is of the open arc, consumable electrode type (e.g., arc lamp) and wherein the device is the ultimate load of the system.
363, Electric Power Conversion Systems,
112+, for electronic tube current conversion systems (D.C.-A.C., A.C.-D.C.) of the open arc device (e.g., spark gap) type, and subclasses 166+ for frequency conversion systems utilizing an open arc device.
