Card – picture – or sign exhibiting – Signs – Billboard type
Reexamination Certificate
1999-06-21
2001-05-15
Green, Brian K. (Department: 3628)
Card, picture, or sign exhibiting
Signs
Billboard type
Reexamination Certificate
active
06230427
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to outdoor billboards, and more particularly to a billboard with a tray adapted to catch droppings of birds nesting on the billboard.
BACKGROUND OF THE INVENTION
Because of their height above ground and the gridwork of support members that carry the display panels, outdoor advertising billboards or signs are a favorite nesting site for birds. Such billboards are sometimes erected in places, such as a parking lot, where human activity takes place underneath the billboard. In those cases, a problem arises from the fact that droppings from the birds nesting on the billboard soil the ground, and objects, such as cars, under the billboard.
Various methods have been used in the past to deter birds from nesting on billboards. These include studding the billboard with sharp spikes such as nails, or placing onto the top surface some propeller-like devices which turn in the wind and scare the birds. Unfortunately, none of these methods have been fully successful, and the droppings problem still persists.
SUMMARY OF THE INVENTION
The present invention solves the above-described problem by accepting the presence of birds, but preventing their droppings from affecting human activities under the billboard by providing a droppings tray on the underside of the billboard. The inventive droppings tray is so shaped that it catches droppings from above and provides a way to clean the captured droppings away either naturally by rain or purposely by a water spray. The droppings tray of this invention is so positioned and dimensioned that it does not interfere with the legibility of the billboard's message, detract from the aesthetics of the board itself, nor impede its maintenance.
REFERENCES:
patent: 3010234 (1961-11-01), Hopkins
patent: 3071871 (1963-01-01), Ramseur, Jr.
patent: 4133123 (1979-01-01), Anderson
patent: 4254569 (1981-03-01), Janik
patent: 4492049 (1985-01-01), Gaylor
patent: 6044595 (2000-04-01), Snow
patent: 2678413 (1992-12-01), None
Chop Andrea
Green Brian K.
Weissenberger, Esq. Harry G.
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