Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1981-04-29
1983-08-23
Caldwell, Sr., John W.
Communications: electrical
Condition responsive indicating system
Specific condition
119 1, 200 6158R, 200 617, 340384E, G08B 2300, H01H 316
Patent
active
044006969
ABSTRACT:
A device for enabling animals to attract attention of a keeper thereof when the animal desires to obtain entrance into a house or other building comprising a door mounted contact and wire feed through element, and adjustable hinged outside door mounted panel member, and adjustable contact member mounted on the hinged panel member for contact with the door mounted contact when the panel member is actuated, adjustable tension means for normally maintaining the hinged panel member in an unactuated contact position, an inside door mounted container provided with appropriate electrical energization, wiring, and both visual and audible attention attracting elements, and a multiple position switch for permitting selection of the desired attention attracting element when the panel member is actuated by an animal.
REFERENCES:
patent: 1118283 (1914-11-01), Holdefer
patent: 3020038 (1962-02-01), Simpson
patent: 3111608 (1963-11-01), Boenning et al.
patent: 3391674 (1968-07-01), Burleigh
patent: 3874118 (1975-04-01), Robinson
Caldwell Sr. John W.
Huckert John W.
Nowicki Joseph E.
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