ES251640A1 - Improvements introduced in the manufacture of incandescent lamps (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in the manufacture of incandescent lamps (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.)
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 ES0251640ApriorityCriticalpatent/ES251640A1/en
Publication of ES251640A1publicationCriticalpatent/ES251640A1/en
Improvements introduced in the manufacture of incandescent lamps, whose spacer space is filled with an insulating sponge consisting of a thermosettable synthetic substance, particularly a thermo-hardening condensate of a phenol-aldehyde type resin and a filler, characterized by the fact that the filler consists mainly of magnesium carbonate or a substance that contains magnesium carbonate. (Machine-translation by Google Translate, not legally binding)
ES0251640A1959-08-201959-08-20Improvements introduced in the manufacture of incandescent lamps (Machine-translation by Google Translate, not legally binding)
ExpiredES251640A1
(en)