Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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General Electric Co
Original Assignee
General Electric Co
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Filing date
Publication date
Application filed by General Electric CofiledCriticalGeneral Electric Co
Publication of GB317402ApublicationCriticalpatent/GB317402A/en
H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps