Cover for an attic fan vent

Details Cover for an attic fan vent Cover for an attic fan vent

1998-10-21

2000-04-18

Joyce, Harold

Ventilation

Having outlet airway

With air pump

49463, 454358, F24F 1320

Patent

active

060508930

ABSTRACT:
An insulating cover for overlaying a ceiling vent beneath an attic fan includes a substantially rectangular frame member having top and bottom edges. Horizontally disposed between the top and bottom edges are a plurality of panels including an intermediate insulating layer for minimizing air flow through the vent. A plurality of spring biased retractable fingers are mounted to the vent border which may be selectively extended to retain the cover therewithin.

REFERENCES:
patent: 2352727 (1944-07-01), McMahon
patent: 2596710 (1952-05-01), Moricco et al.
patent: 2800853 (1957-07-01), Spear
patent: 3590237 (1971-06-01), Winters et al.
patent: 4287815 (1981-09-01), Henderson
patent: 4372196 (1983-02-01), Henderson
patent: 4483102 (1984-11-01), Edwards
patent: 4501389 (1985-02-01), Kolt
patent: 4709624 (1987-12-01), Croft
patent: 4760773 (1988-08-01), Pezzulli
patent: 5123876 (1992-06-01), McCullough
patent: 5213543 (1993-05-01), Clariino

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