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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Gallois & Co
Original Assignee
Gallois & Co
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Filing date
Publication date
Application filed by Gallois & CofiledCriticalGallois & Co
Application grantedgrantedCritical
Publication of FR782884ApublicationCriticalpatent/FR782884A/en
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V7/00—Reflectors for light sources
F21V7/04—Optical design
F21V7/08—Optical design with elliptical curvature
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR782884D1934-03-071934-03-07
Very low voltage electric spotlight
ExpiredFR782884A
(en)