Conservatory roof ventilation

Ventilation – Having outlet airway – Having readliy movable air regulating louver – damper – or cover

Reexamination Certificate

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Details

C454S213000, C052S200000

Reexamination Certificate

active

06881143

ABSTRACT:
A trickle ventilator for a conservatory roof to be sited between an eaves beam of the roof and a glazing panel extending over the eaves beam, the ventilator comprising an elongate body having a front and rear walls spaced apart, at least one aperture in each wall and a gate for selectively closing the or each aperture in the front wall to control airflow into or out of the conservatory.

REFERENCES:
patent: 2201175 (1940-05-01), Harshberger
patent: 4438680 (1984-03-01), Esposito
patent: 4614067 (1986-09-01), Matsubara
patent: 4616560 (1986-10-01), Esposito
patent: 5927027 (1999-07-01), Richardson
patent: 6026615 (2000-02-01), Richardson
patent: 6161346 (2000-12-01), Richardson
patent: 44 08 374 (1995-09-01), None
patent: 115824 (1984-08-01), None
patent: 368397 (1990-05-01), None
patent: 918131 (1999-05-01), None
patent: 1050659 (2000-11-01), None
patent: 2194328 (1988-03-01), None
patent: 2239309 (1991-06-01), None
patent: 2286454 (1995-08-01), None

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