US Patent 7241021 Emergency information lighting system
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Patent abstract
An emergency information lighting system (100/200/300), comprising a primary light source (110/210/310) and a housing (112/212/312) for the primary light source (110/210). The housing (112/212/312) includes a first wall (120/220/320) with indicia openings (126/226/326) which correspond to emergency information. The primary light source (110/210/310) emits primary light, which passes through the indica openings (126/226/326) to display the emergency information to a viewing environment. The housing (112/212) or a bulb (316) incorporates a phosphorescent material (132/232/332) which, in the absence of the primary light, emits passive light to display the emergency information to the viewing environment.
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US Patent 07241021 Emergency information lighting system US Patent 7241021 Emergency information lighting system
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Patent Number
0724102100
Patent Number
724102100
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Patent Jurisdiction
Patent Number
072410210
Date of Patent
July 10, 2007
0Patent Application Number
110548120
Date Filed
February 10, 2005
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
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Patent Jurisdiction
Patent Number
072410210
Date of Patent
July 10, 2007
0Patent Application Number
110548120
Date Filed
February 10, 2005
0Official Website
Patent Primary Examiner
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US Patent 07241021 Emergency information lighting system
Infobox
Is a
Patent jurisdiction
Patent number
07241021
Date of patent
July 10, 2007
Patent application number
11054812
Date Filed
February 10, 2005
Patent primary examiner
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