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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Application grantedgrantedCritical
Publication of FR903555ApublicationCriticalpatent/FR903555A/fr
H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
FR903555D1943-04-211944-04-19Procédé d'obtention d'un dépôt localisé de particules en suspension dans une lampe à incandescence ou un tube à décharge
ExpiredFR903555A
(fr)
Procédé pour l'habillage ou le garnissage de lustres, appliques murales ou pieds de lampes à l'aide de rubans de matière vinylique et mode de mise en oeuvre de ce procédé