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US Patent 7975747 Roman shade with hidden ropes

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Is a
Patent
Patent
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Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
79757470
Patent Inventor Names
Chien Chih Huang0
Wu Chung Nien0
Wen Ying Liang0
Sheng Ying Hsu0
Date of Patent
July 12, 2011
0
Patent Application Number
123624240
Date Filed
January 29, 2009
0
Patent Primary Examiner
‌
David Purol
0
Patent abstract

A Roman shade includes a top box and a shade including a first layer and a second layer is connected to the top box. The first layer includes multiple pocket portions formed thereon and the pocket portions each are defined by folding a part upward to define a passage which extends transversely through the first layer. Multiple first holes and second holes are defined through the first layer. The pocket portion is located between the first and second holes. The second layer is located on a first side of the first layer and two control ropes each have a top end connected to the top box and a lower end of each control rope extends through the first hole from the first side of the first layer and passes over a second side of the first layer and then extends through the second hole in sequence.

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