US Patent 7650722 Insulation cover for attic closures
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Patent abstract
Covers for attic trap doors and pull down attic stairs or ladders are described each of which is formed of an insulating material. The covers are structured to effectively seal a ceiling access opening. In some embodiments, a closure member constructed of insulating material is cooperatively and frictionally received within a frame formed of the same material to form an airtight seal therebetween.
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Patent Inventor Names
James B. Melesky0
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US Patent 07650722 Insulation cover for attic closures US Patent 7650722 Insulation cover for attic closures
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Patent Number
076507220
Patent Number
76507220
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Official Website
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Patent Jurisdiction
Patent Number
076507220
Date of Patent
January 26, 2010
0Patent Application Number
100244780
Date Filed
December 21, 2001
0Official Website
Patent Primary Examiner
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US Patent 07650722 Insulation cover for attic closures
Infobox
Is a
Patent jurisdiction
Patent number
07650722
Date of patent
January 26, 2010
Patent application number
10024478
Date Filed
December 21, 2001
Patent primary examiner
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