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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Charles Haberer & Cie Ets
Original Assignee
Charles Haberer & Cie Ets
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Filing date
Publication date
Application filed by Charles Haberer & Cie EtsfiledCriticalCharles Haberer & Cie Ets
Priority to FR917278ApriorityCriticalpatent/FR1340070A/en
Application grantedgrantedCritical
Publication of FR1340070ApublicationCriticalpatent/FR1340070A/en
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)
FR917278A1962-11-301962-11-30
Improvements to portholes for electric lighting
ExpiredFR1340070A
(en)