(under subclass 163) Discharge devices which has a plurality of anodes and which have a shield interposed between two of the anodes to prevent discharges from one anode to the other.
(1) Note. In some of the devices in this subclass, each of the anodes is surrounded by a tubular sleeve which is the anode shield.
SEE OR SEARCH THIS CLASS, SUBCLASS:
239, for miscellaneous supporting structures for shields.
326+, for miscellaneous shield structures, note subclass 356 for the structure of tubular or hollow sleeve-like shields.
590, for other gas or vapor type discharge devices which have a shield interposed between two of the anodes to prevent a discharge therebetween.
597+, for gas or vapor type discharge devices which are provided with a hollow shield which encloses an anode and a grid-like electrode, the shield serving to prevent undesired discharges to the anode. 614, for gas or vapor type discharge devices which are provided with an anode shield to prevent undesired discharges to the anode.