Ventilation – Chimney or stack – Chimneytop or stacktop structure
Reexamination Certificate
2007-02-20
2007-02-20
Cocks, Josiah (Department: 3749)
Ventilation
Chimney or stack
Chimneytop or stacktop structure
C454S035000, C454S039000
Reexamination Certificate
active
11160160
ABSTRACT:
A cap for a flue opening of a chimney in order to enhance draw of smoke and in order to protect from entry of animals, debris, and the elements. The device includes a tubular housing having sidewalls fabricated from flat sheet metal and a top attached to the sidewalls from fasteners. A plurality of louver openings are provided in the sidewalls in order to draw air. A plurality of exit vent openings in the sidewalls above the louver openings are at least equal to a cross-sectional area of the flue opening. An inner frame and mounting assembly includes a mechanism to both anchor the device to the chimney flue and to level the device.
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Cocks Josiah
European Copper, L.L.C.
Head Johnson & Kachigian
Kosanovic Helena
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