Lighting fitting

Details Lighting fitting Lighting fitting

1975-10-14

1977-03-29

Nozick, Bernard

Buckles, buttons, clasps, etc.

55316, 55385R, 55487, F21V 2900

Patent

active

040151140

ABSTRACT:
In a lighting fitting having a closed construction wherein the inner spaces of the various parts communicated with each other said inner spaces are connected to the surrounding space through a filter containing filter elements retaining dust and other particles and filter elements adsorbing gases.

REFERENCES:
patent: 3457399 (1969-07-01), Milroy
patent: 3691365 (1972-09-01), Sequerra et al.
patent: 3755665 (1973-08-01), Grindle
patent: 3944403 (1976-03-01), Simpson et al.

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