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.)
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Lerolle & Cie A
Original Assignee
Lerolle & Cie A
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Filing date
Publication date
Application filed by Lerolle & Cie AfiledCriticalLerolle & Cie A
Application grantedgrantedCritical
Publication of FR560557ApublicationCriticalpatent/FR560557A/fr
F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
F21S13/00—Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR560557D1922-12-301922-12-30Dispositif destiné à l'éclairage des grands et moyens espaces
ExpiredFR560557A
(fr)