US Patent 7753533 Display apparatus
Patent 7753533 was granted and assigned to Hitachi on July, 2010 by the United States Patent and Trademark Office.
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Patent abstract
In conjunction with attachment or detachment of a dust filter, a lid disposed to an inlet of a duct operates to close the inlet.
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US Patent 07753533 Display apparatus US Patent 7753533 Display apparatus
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Patent Number
0775353300
Patent Number
775353300
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077535330
Date of Patent
July 13, 2010
0Patent Application Number
115133250
Date Filed
August 31, 2006
0Official Website
Patent Primary Examiner
Edits on 22 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077535330
Date of Patent
July 13, 2010
0Patent Application Number
115133250
Date Filed
August 31, 2006
0Official Website
Patent Primary Examiner
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US Patent 07753533 Display apparatus
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07753533
Date of patent
July 13, 2010
Patent application number
11513325
Date Filed
August 31, 2006
Patent primary examiner
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