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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Louis Poulsen & Cie
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Louis Poulsen & Cie
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Filing date
Publication date
Application filed by Louis Poulsen & CiefiledCriticalLouis Poulsen & Cie
Application grantedgrantedCritical
Publication of FR623935ApublicationCriticalpatent/FR623935A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR623935D1925-12-041926-10-30Dispositif de réflecteur pour lampes à incandescence
ExpiredFR623935A
(fr)