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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MOORE LICHT AG
Original Assignee
MOORE LICHT AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MOORE LICHT AGfiledCriticalMOORE LICHT AG
Application grantedgrantedCritical
Publication of FR457608ApublicationCriticalpatent/FR457608A/fr
H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
FR457608D1912-04-131913-04-11Procédé et dispositif pour produire et conserver une coloration lumineuse constante dans les tubes éclairants à vide
ExpiredFR457608A
(fr)