Retrofit louvre for lighting fixture

Details Retrofit louvre for lighting fixture Retrofit louvre for lighting fixture

1984-07-06

1986-09-23

Lazarus, Ira S.

Illumination

With static structure

Wall or ceiling

362148, 362404, 362354, F21S 102

Patent

active

046139290

ABSTRACT:
A troffer extension attachable to the walls of a lighting troffer, and with portions of a ceiling to raise the troffer relative to the ceiling, and having extension members, upper devices on one end of the members for engaging the troffer, and, lower devices on the other ends of the members for engaging the ceiling.

REFERENCES:
patent: 2559640 (1951-07-01), Kruger
patent: 3052372 (1962-09-01), Shepherd
patent: 3081398 (1963-03-01), Karth
patent: 3446955 (1969-05-01), Bailey et al.
patent: 3816880 (1974-06-01), Jacobs
patent: 3863251 (1951-07-01), Gould et al.
patent: 4175281 (1979-11-01), Lonseth
patent: 4272804 (1981-06-01), Blum

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