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.)
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 filedfiledCritical
Application grantedgrantedCritical
Publication of FR68854EpublicationCriticalpatent/FR68854E/fr
E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
E06B7/00—Special arrangements or measures in connection with doors or windows
E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
E06B7/30—Peep-holes; Devices for speaking through; Doors having windows
Landscapes
Engineering & Computer Science
(AREA)
Civil Engineering
(AREA)
Structural Engineering
(AREA)
FR68854D1947-01-111954-12-15Paroi de protection contre la contamination par l'haleine pour guichets ou autres, transmettant les sons
ExpiredFR68854E
(fr)