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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens CorpfiledCriticalSiemens and Halske AG
Application grantedgrantedCritical
Publication of FR397478ApublicationCriticalpatent/FR397478A/fr
H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
H01K3/02—Manufacture of incandescent bodies
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR397478D1907-12-111908-12-10Procédé de fabrication de filaments pour la lumière électrique avec du wolfram ou avec d'autres métaux peu fusibles
ExpiredFR397478A
(fr)