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.)
IGNACE KIRCHNER
Original Assignee
IGNACE KIRCHNER
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 IGNACE KIRCHNERfiledCriticalIGNACE KIRCHNER
Application grantedgrantedCritical
Publication of FR499983ApublicationCriticalpatent/FR499983A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V37/00—Details of lighting devices employing combustion as light source, not otherwise provided for
F21V37/02—Special adaptation for protection against draughts ; Draft controllers
Landscapes
Engineering & Computer Science
(AREA)
Chemical & Material Sciences
(AREA)
Combustion & Propulsion
(AREA)
General Engineering & Computer Science
(AREA)
FR499983D1919-05-231919-05-23Perfectionnements aux appareils d'éclairage par le gaz et plus particulièrement aux appareils à incandescence
ExpiredFR499983A
(fr)