Illumination – Elongated source light unit or support – With ventilating or cooling means
Reexamination Certificate
2011-03-29
2011-03-29
Tso, Laura (Department: 2875)
Illumination
Elongated source light unit or support
With ventilating or cooling means
C362S148000, C362S149000, C362S294000
Reexamination Certificate
active
07914171
ABSTRACT:
An air-handling luminaire comprises a recessed troffer housing having a first pair of opposed walls and a second pair of opposed walls, the housing having a light output opening and a lens extending across the light output opening, at least one of the walls of the first pair of opposed walls and the second pair of opposed walls being substantially vertical and having at least one flow through opening for fluid communication from a volume beneath the recessed troffer housing to a plenum above the recessed troffer housing and, a rail extending from near a lower edge of the recessed troffer housing upwardly within the recessed troffer housing and adjacent the at least one flow through and concealing the at least one flow through opening.
REFERENCES:
patent: 3692977 (1972-09-01), Duhamel et al.
patent: 7320536 (2008-01-01), Petrakis et al.
patent: 2008/0019126 (2008-01-01), Straton et al.
Crane Roy B.
Fabbri William C.
Koninklijke Philips Electronics , N.V.
Tso Laura
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