Animal husbandry – Confining or housing – Birdhouse
Patent
1996-02-14
1998-05-05
Clarke, Robert A.
Animal husbandry
Confining or housing
Birdhouse
119430, A01K 3100
Patent
active
057461562
ABSTRACT:
A convertible bird box as illustrated has upper and lower entrance openings located in a pivoting front wall panel to create an upper roosting perch and a lower nesting location. A closure having a single opening rotates between the upper and lower entrance openings to selectively create a nesting box and a roosting box. The invention further describes a method for selectively forming a winter roosting box and a spring nesting box.
REFERENCES:
patent: 1587804 (1926-06-01), Stein
patent: 2392532 (1946-01-01), Hyde
patent: 3053226 (1962-09-01), Dunn
patent: 3316883 (1967-05-01), Johnson
patent: 5172651 (1992-12-01), Finn
Kirchner Katherene J.
Petrides George H.
Clarke Robert A.
O Ki Yong
Wild Bird Centers of America, Inc.
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