US Patent 8933811 Smoke alarm
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Patent abstract
Smoke alarm comprising at least one internal chamber, which chamber has at least one opening towards the surroundings, such that air may pass through the chamber, and where means are provided for emitting light and means for detecting said light is provided in or around said chamber, where the change in light intensity registered by the means generates a smoke alarm.
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Patent Inventor Names
Glenn Højmose0
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US Patent 08933811 Smoke alarm US Patent 8933811 Smoke alarm
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Patent Number
08933811
Patent Number
8933811
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US Patent 08933811 Smoke alarm
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Is a
Patent jurisdiction
Patent number
08933811
Date of patent
January 13, 2015
Patent application number
13500391
Date Filed
August 10, 2010
Patent primary examiner
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