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.)
Umicore NV SA
Original Assignee
Ateliers de Constructions Electriques de Charleroi SA
ACEC 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 Ateliers de Constructions Electriques de Charleroi SA, ACEC SAfiledCriticalAteliers de Constructions Electriques de Charleroi SA
Application grantedgrantedCritical
Publication of FR1130469ApublicationCriticalpatent/FR1130469A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V23/00—Arrangement of electric circuit elements in or on lighting devices
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR1130469D1955-03-221955-03-22Dispositif pour l'allumage rapide de lampes fluorescentes
ExpiredFR1130469A
(fr)