Illumination – Light source or light source support and luminescent material
Patent
1979-06-25
1981-01-13
Walsh, Donald P.
Illumination
Light source or light source support and luminescent material
362217, 362260, F21V 916, F21S 300
Patent
active
042452821
ABSTRACT:
An illuminating device for providing a temporary light source when the power source is interrupted comprising a fluorescent lamp with a net impregnated with phosphorescent material affixed in close proximity thereto.
REFERENCES:
patent: 544331 (1895-08-01), Warner
patent: 2644113 (1953-06-01), Etzkorn
patent: 2713629 (1955-07-01), Etzkorn
patent: 3798481 (1974-03-01), Pollara
Clark, "The Encyclopedia of Chemistry", 2 Ed. (1966), pp. 808-809.
Claeys Joseph V.
Walsh Donald P.
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