ES9730U - Indirect calcium cathode, intended for an electric discharge tube. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Indirect calcium cathode, intended for an electric discharge tube. (Machine-translation by Google Translate, not legally binding)
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.)
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Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Priority to ES0009730UpriorityCriticalpatent/ES9730Y/en
Publication of ES9730UpublicationCriticalpatent/ES9730U/en
Application grantedgrantedCritical
Publication of ES9730YpublicationCriticalpatent/ES9730Y/en
An indirect heating cathode, constructed by the process claimed in Spanish Patent No. 152,501, further characterized in that the cathodic body wall is formed by two or more layers of different materials. (Machine-translation by Google Translate, not legally binding)
ES0009730U1944-03-101944-03-10
Indirect calcium cathode, intended for an electrical discharge tube.
ExpiredES9730Y
(en)