House freshener

Details House freshener House freshener

1991-09-16

1993-08-31

Chiesa, Richard L.

Gas and liquid contact apparatus

Contact devices

Porous mass

55279, 239 56, 261107, 261DIG17, 261DIG65, 422123, 428905, D23366, A61L 912

Patent

active

052406539

ABSTRACT:
A basket fitting is provided for an air filter used in the air circulation ducting of a domestic dwelling and is designed to be attached directly to the duct covering grill within a room. Various air fresheners and germicidal agents may be retained within a particular basket attached to a grill, as can a charcoal filtering agent, and in one preferred embodiment, a plurality of these baskets may be interconnected to enhance the effectiveness of the invention.

REFERENCES:
patent: 3442197 (1969-05-01), Cobarg
patent: 4118226 (1978-10-01), Bourassa
patent: 4159672 (1979-07-01), Garguilo et al.
patent: 4229415 (1980-10-01), Bryson
patent: 4306892 (1981-12-01), Atalla et al.
patent: 4428892 (1984-01-01), Berliner
patent: 4563333 (1986-01-01), Frigon
patent: 4604114 (1986-08-01), Ward
patent: 4676954 (1987-06-01), Wilson
patent: 4875912 (1989-10-01), Fulmer

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