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 Company PLC
Original Assignee
General Electric Company PLC
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Publication date
Priority claimed from GB2468245Aexternal-prioritypatent/GB600495A/en
Application filed by General Electric Company PLCfiledCriticalGeneral Electric Company PLC
Application grantedgrantedCritical
Publication of FR947714ApublicationCriticalpatent/FR947714A/fr
H01J61/84—Lamps with discharge constricted by high pressure
H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
FR947714D1945-09-241947-06-07Lampe à décharge électrique à vapeur métallique à haute pression
ExpiredFR947714A
(fr)