Patent
1986-07-07
1987-06-30
Schwartz, Larry I.
49 38, 52198, 52209, 52213, F24F 700
Patent
active
046761454
ABSTRACT:
A ventilating appartus for installation in a ventilation opening in a building foundation includes a peripheral border having detachable lateral extension tabs for selective retention to be mounted in a mortar joint in brick-type construction and, alternatively, for selective detachment for disposition flush with laterally-adjacent foundation surfaces for edgewise disposition thereon of siding in siding-type building construction. No border is utilized in an alternative embodiment of the ventilating apparatus to facilitate mounting thereof to the outward face of a building foundation as a replacement for broken and deteriorated ventilating apparatus, a separable side portion facilitating such mounting in buildings of siding-type construction. A slotted shutter-like mechanism is provided for convenient opening and closing operation of the ventilating apparatus.
REFERENCES:
patent: 2557566 (1951-06-01), Ronfeldt
patent: 2891615 (1959-06-01), Farrell
patent: 2995079 (1961-08-01), LaFontaine
patent: 3220079 (1965-11-01), Aggson
patent: 3777649 (1973-12-01), Luckey
patent: 4274330 (1981-06-01), Witten et al.
patent: 4290554 (1981-09-01), Hensley
Schwartz Larry I.
Warner Steven E.
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