Pipe joints or couplings – With casing – lining or protector – Insulated
Reexamination Certificate
2008-09-17
2010-11-16
Bochna, David E (Department: 3679)
Pipe joints or couplings
With casing, lining or protector
Insulated
C285S141100, C285S215000
Reexamination Certificate
active
07832772
ABSTRACT:
An assembly for establishing a water-tight seal for a conduit passing through a wall or other structure wherein the conduit conveys heated fluid, such as exhaust gasses. The assembly is adapted to minimize the heat transferred to the wall or other structure by creating a circuitous heat transfer path in conjunction with thermally insulating materials.
REFERENCES:
patent: 3848897 (1974-11-01), McClellan
patent: 4332393 (1982-06-01), Cuschera
patent: 5378026 (1995-01-01), Ninacs et al.
patent: 5746453 (1998-05-01), Roberts
patent: 7708286 (2010-05-01), Henry
Davis Joseph B.
Leseman Gary T.
Bochna David E
Leseman Davis, LLC
Locke Lord Bissell & Liddell LLP
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