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 ES0202540ApriorityCriticalpatent/ES202540A1/en
Publication of ES202540A1publicationCriticalpatent/ES202540A1/en
Cathode as described, characterized in that the reserve of alkaline earth metal compounds is surrounded by a porous metal mass without seam and compressed. (Machine-translation by Google Translate, not legally binding)
ES0202540A1952-03-181952-03-18Cºtodo to use in a tube of electric shock. (Machine-translation by Google Translate, not legally binding)
ExpiredES202540A1
(en)