Ventilation – Chimney or stack – Having lining or sleeve
Reexamination Certificate
2005-02-08
2005-02-08
Boles, Derek S. (Department: 3749)
Ventilation
Chimney or stack
Having lining or sleeve
C126S08500R
Reexamination Certificate
active
06852023
ABSTRACT:
A chimney liner adaptor is provided to allow air to flow between the outside environment and an annular space in a lined chimney flue. The adaptor may allow an air cooling system to operate but prevents undesirable elements from entering the annular space. The liner adaptor may be disposed between the chimney cap and the top walls of the chimney system and around the chimney liner. The adaptor may include perforated material, such as an expanded metal mesh, a metal screen, stamped metal screen, rugged netting, or the like. The perforated material permits gas flow, provides structural support for other elements of the adaptor, and filters out undesirable objects from entering the chimney.
REFERENCES:
patent: 38946 (1863-06-01), Chase
patent: 3087408 (1963-04-01), Carr
patent: 4191099 (1980-03-01), Strahl
patent: 4380189 (1983-04-01), Vicard
patent: 4387628 (1983-06-01), Sapp
patent: 4466340 (1984-08-01), Briner
patent: 4545293 (1985-10-01), Munz
patent: 4607665 (1986-08-01), Williams
patent: 4893608 (1990-01-01), Reaser
Corbin Michael J.
Dimmit Russell A.
Hediger Elvin D.
Lach Ronald J.
Smith Tony
Boles Derek S.
Copperfield Chimney Supply, Inc.
Dickstein Shapiro Morin and Oshinsky LLP
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