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
Priority to ES143620ApriorityCriticalpatent/ES143620A1/es
Publication of ES143620A1publicationCriticalpatent/ES143620A1/es
ES143620A1937-04-261937-04-26Una lámpara eléctrica de incandescencia con una atmósfera de gas que contienen argón, criptón y nitrógeno.
ExpiredES143620A1
(es)
Vakuumbeholder eller luftarts- eller dampfyldt beholder, især til elektronrør, luftartsudladningsrør eller glødelamper, samt fremgangsmåde ved fremstilling af en sådan beholder.