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.)
Osram SA
Original Assignee
Osram Fabrica de Lamparas SA
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 Osram Fabrica de Lamparas SAfiledCriticalOsram Fabrica de Lamparas SA
Priority to ES112409ApriorityCriticalpatent/ES112409A2/es
Publication of ES112409A2publicationCriticalpatent/ES112409A2/es
ES112409A1929-04-121929-04-12Procedimiento para fabricar lámparas incandescentes, tubos de electrones y recipientes análogos de cristal.
ExpiredES112409A2
(es)
Cuerpo incandescente o filamento para lámparas eléctricas incandescentes, tubos de vacío y similares, y procedimiento para la fabricación de filamentos.