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.)
PIERRE HEFF
Original Assignee
PIERRE HEFF
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 PIERRE HEFFfiledCriticalPIERRE HEFF
Application grantedgrantedCritical
Publication of FR457971ApublicationCriticalpatent/FR457971A/fr
H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
H01K3/30—Repairing or regenerating used or defective lamps
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR457971D1913-05-161913-05-16Lampe électrique, plus particulièrement établie en vue de la réparation des filaments, et son procédé de fabrication
ExpiredFR457971A
(fr)