Recessed downlight lighting apparatus

Illumination – Housing – Recessed

Reexamination Certificate

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Details

C362S365000, C362S153100, C248S343000

Reexamination Certificate

active

06994457

ABSTRACT:
A light fixture including an outer ring, middle ring, and inner ring, each of which having generally a cylindrical shape. The outer ring has a flange at one end and a threaded female portion on an interior surface. The middle ring has a flange at one end and a threaded male portion on an exterior surface. When the outer ring is mated to the middle ring, the male portion is threaded into the female portion. The inner ring has a plurality of grooves on an exterior surface. The threaded male portion of the middle ring includes a plurality of openings for receiving a plurality of securing members, with each of the plurality of securing members capable of moving in each of the plurality of grooves and capable of securing the middle ring to the inner ring.

REFERENCES:
patent: 4733339 (1988-03-01), Kelsall
patent: 5122944 (1992-06-01), Webb
patent: 5567041 (1996-10-01), Slocum
patent: 5609414 (1997-03-01), Caluori
patent: 5738436 (1998-04-01), Cummings et al.
patent: 5826970 (1998-10-01), Keller et al.
patent: 5941625 (1999-08-01), Morand
patent: 6113245 (2000-09-01), Reinert, Sr.
patent: 6132069 (2000-10-01), Sato et al.
patent: 6375338 (2002-04-01), Cummings et al.
patent: 6431723 (2002-08-01), Schubert et al.
patent: 6505960 (2003-01-01), Schubert et al.

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