Illumination – Door knob or keyhole illuminator
Patent
1986-07-18
1988-10-18
Lazarus, Ira S.
Illumination
Door knob or keyhole illuminator
362191, 362234, E0JB 1710
Patent
active
047791713
ABSTRACT:
A keyhole and room illuminating apparatus which is characterized by a split housing having side and bottom openings and bulbs positioned inside the housing at the openings, with electrical connectors and batteries disposed inside the housing for operating the bulbs by manipulating a switch located in the housing. The keyhole and room illuminating apparatus is designed to illuminate the keyhole provided in the door lockset, as well as the room into which the door is opened.
REFERENCES:
patent: 1961865 (1934-06-01), Remington
patent: 2011692 (1935-08-01), Simpson
patent: 2709745 (1955-05-01), Sundt
patent: 2927197 (1960-03-01), Phillips et al.
patent: 3787677 (1974-01-01), Molitor
patent: 4475067 (1984-10-01), Rome
Cox D. M.
Harrison John M.
Lazarus Ira S.
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