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 ES0201937ApriorityCriticalpatent/ES201937A1/en
Publication of ES201937A1publicationCriticalpatent/ES201937A1/en
An electric discharge tube having one or more gratings consisting of the wires of a grid at least in amorphous carbon and being welded on a disk with the aid of nickel or pulverized zirconium. (Machine-translation by Google Translate, not legally binding)
ES0201937A1952-02-131952-02-13A tube of electric shock (Machine-translation by Google Translate, not legally binding)
ExpiredES201937A1
(en)