Window covering
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United States of America Patent
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Jul 5, 2016
Grant Date -
Sep 13, 2012
app pub date -
Mar 8, 2011
filing date -
Mar 8, 2011
priority date (Note) -
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Abstract
A window covering includes a liner positioned adjacent to the rear side of window covering material. The liner is attached to at least one of the window covering material and a first rail to define at least one cavity between the window covering material and the liner. At least one ladder is attached to the liner and positioned in the at least one cavity. The at least one ladder has vertically spaced rungs. At least one lift cord extends from the first rail to a position adjacent to the bottom edge of the window covering material. The at least one cord passes adjacent to the at least one ladder such that the at least one lift cord passes over the rungs of the at least one ladder such that the at least one lift cord alternates from passing behind and in front of successive rungs.
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