Roofing vent with sliding collar

Details Roofing vent with sliding collar Roofing vent with sliding collar

2006-02-14

2006-02-14

Joyce, Harold (Department: 3749)

Ventilation

Having outlet airway

Having specific cover or shield for exterior vent opening

C285S043000

Reexamination Certificate

active

06997801

ABSTRACT:
A roofing vent that includes a base a duct extending from the base. The duct includes a first end attached to the base and a second end having a hood or cover over the second end. A collar having an aperture therethrough is mounted from the duct such that the duct extends through the aperture, with the collar is slideably supported along the duct and captured between the base and the hood or cover.

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patent: 0 284 758 (1988-05-01), None

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