Communications: electrical – Systems – Audible signals
Patent
1986-08-07
1987-08-11
Crosland, Donnie L.
Communications: electrical
Systems
Audible signals
340329, 340330, 340573, 340384E, 200 6162, 119 1, G08B 300
Patent
active
046865047
ABSTRACT:
An annunciator or signal which can be mounted adjacent a door and actuated by a pet to signal its desire to be let in or out includes a housing with an opening in the lower front thereof and with a lever projecting outwardly through the opening. When a pet presses the lever, switch within the housing is closed to actuate a chime or the like.
REFERENCES:
patent: 4400696 (1983-08-01), Klingensmith
Crosland Donnie L.
Klempay Peter L.
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