Device to keep birds from alighting on buildings

Details Device to keep birds from alighting on buildings Device to keep birds from alighting on buildings

1979-11-19

1981-05-26

Bell, J. Karl

Static structures (e.g., buildings)

Animal blocking lateral projection, trap, or scarer

52517, 52DIG10, E04B 172

Patent

active

042690080

ABSTRACT:
A device to repel birds from nesting on buildings and the like includes a series of closely spaced, upwardly extending structures surmounted with pyramids, the angles of which are such that a prism effect is created which serves to optically frighten the birds.

REFERENCES:
patent: 2270537 (1942-01-01), Ludington
patent: 2938243 (1960-05-01), Peles
patent: 3133321 (1964-05-01), Hine
patent: 3282000 (1966-11-01), Shaw et al.
patent: 3359657 (1967-12-01), Hedberg
patent: 3407550 (1968-10-01), Shaw
patent: 3617691 (1971-11-01), Toyooka et al.
patent: 3658413 (1972-04-01), Cornell
patent: 3834789 (1974-09-01), Brudy
patent: 4141182 (1979-02-01), McMullen

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