Decorative drop ceiling

Details Decorative drop ceiling Decorative drop ceiling

1977-11-11

1979-08-07

Padgett, Benjamin R.

Illumination

With static structure

Wall or ceiling

52 28, 362330, 362331, 362365, 362367, 362404, 362408, 362455, 362456, 362806, F21V 2100, F21V 2104, F21S 102, F21S 114, F21S 302, F21S 314, F21V 504, F21V 1700

Patent

active

041640110

ABSTRACT:
A decorative drop ceiling including a panel having a plurality of openings therein disposed between a source of light and an area to be illuminated. A light transmissive lens is disposed in each of the openings. Each lens has a predetermined thickness dimension, which is not dictated by the thickness of the panel. The lower face of each lens is co-planar with the lower surface of the panel. The periphery of the lens is recessed, and fasteners, disposed in the recess, fix the lens in the opening.

REFERENCES:
patent: 2165835 (1939-07-01), Brady et al.
patent: 2289904 (1942-07-01), Curtis
patent: 2334484 (1943-11-01), Dunbar
patent: 2398507 (1946-04-01), Rolph
patent: 2689026 (1954-09-01), Zingone
patent: 3018083 (1962-01-01), Bobrick
patent: 3076890 (1963-02-01), Guth, Jr.
patent: 3130922 (1964-04-01), Smith
patent: 3268721 (1966-08-01), Dworkin et al.
patent: 3721050 (1971-03-01), Perina
patent: 3755667 (1973-08-01), Price

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