Louvered vent

Patent

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Details

981211, F24F 1300

Patent

active

045922713

ABSTRACT:
A vent assembly characterized by a rear member having a perforated rear surface, and a front member having a front surface formed into a number of louvers. The side portions and bottom portions of the rear member are bent into L-shaped flanges which engage the inner dimensions of the front member. The front member has a top portion and side portions which are bent into L-shaped flanges to provide flashing for the assembly. The front member and rear member are permanently attached together to form a single unit, and a number of units can be vertically stacked to provide vent structures of various heights.

REFERENCES:
patent: 2309717 (1943-02-01), Siebenlist
patent: 2529462 (1950-11-01), Touchett
patent: 2555626 (1951-06-01), Avers et al.
patent: 2679796 (1954-06-01), Froelich et al.
patent: 2956496 (1960-10-01), Simblest
patent: 3320868 (1967-05-01), Apouchtine
patent: 3336715 (1967-08-01), Savary
patent: 3422744 (1969-01-01), Tarnoff
patent: 4175480 (1979-11-01), Beam, Jr. et al.
patent: 4274330 (1981-06-01), Witten et al.
patent: 4452024 (1984-06-01), Sterriker et al.

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