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.)
Ch Et J Grimmeisen & Cie
Original Assignee
Ch Et J Grimmeisen & Cie
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 Ch Et J Grimmeisen & CiefiledCriticalCh Et J Grimmeisen & Cie
Application grantedgrantedCritical
Publication of FR738312ApublicationCriticalpatent/FR738312A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V31/00—Gas-tight or water-tight arrangements
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR738312D1932-06-081932-06-08Enceinte étanche pour lampes à incandescence
ExpiredFR738312A
(fr)