Birdhouse entrance

Details Birdhouse entrance Birdhouse entrance

2007-03-06

2007-03-06

Zarfas, Louis S. (Department: 2914)

Animal husbandry

Shelter, pen, or other enclosure

Element or attachment

Design Patent

active

29211369

CLAIM:
The ornamental design of a birdhouse entrance, as shown and described.

REFERENCES:
patent: D124202 (1940-12-01), Prouty
patent: 2992503 (1961-07-01), Webb
patent: D194750 (1963-03-01), Dahmus
patent: 4846110 (1989-07-01), Reynolds
patent: D335369 (1993-05-01), Gravelle
patent: D365711 (1996-01-01), Ramirez
patent: D366736 (1996-01-01), Northrop et al.
patent: D368989 (1996-04-01), Prehart
patent: D423148 (2000-04-01), Prekup

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