Movable or removable closures – Check or key controlled
Patent
1979-01-31
1981-04-21
Kannan, Philip C.
Movable or removable closures
Check or key controlled
E05B 6500
Patent
active
042624460
ABSTRACT:
A container for accommodating an identification paper is, itself, accommodated in a receptacle mounted on the inside surface of a door. A securing device in the receptacle and the door releasably secures the container in the receptacle until released by someone on the inside of the door and retrieved by someone outside the door.
REFERENCES:
patent: 3444711 (1969-05-01), Sedley
patent: 3595042 (1971-07-01), Sedley
patent: 3633167 (1972-01-01), Hedin
Kannan Philip C.
Tick Daniel Jay
LandOfFree
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