Ventilation – Having inlet airway – Including structure for mixing plural air streams together
Reexamination Certificate
2005-10-20
2008-08-12
Boles, Derek S. (Department: 3749)
Ventilation
Having inlet airway
Including structure for mixing plural air streams together
C454S332000, C454S333000
Reexamination Certificate
active
07410416
ABSTRACT:
A complete plastic HVAC system assembled using individual plastic components for ensuring the efficient and quiet distribution of air from a central air unit to multiple distribution points and preventing heating and cooling losses, the need for installers to stock multiple sized and shaped components, the accumulation of dust, dirt and pollens during storing, installing and use on the surfaces of the individual components. The fittings have a collar sizable to fit both 6 and 7-inch pipe, whether flexible or rigid. The use of plastic fittings, duct and pipe removes the potential of injury commonly associated with conventional metal ductwork, while providing seamless components that can be configured for any type of installation and insure an air tight connection between adjoining surfaces. The individual fittings include a register boot, torpedo boot, straight boot, rigid and flexible pipe and couplers, straight and 90-degree takeoffs, a plastic duct and duct end cap.
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Boles Derek S.
Fettkether L.L.C.
McKee Voorhees & Sease, P.L.C.
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