CELLULAR WINDOW SHADE
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United States of America Patent
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Issued Date -
Aug 20, 2009
app pub date -
Feb 15, 2009
filing date -
Feb 15, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A window covering includes at least one pair of cell-supporting cords comprising a first support cord supporting an upper portion of each cell and a second support cord supporting a lower portion of each cell. The collapse and expansion of each cell is accomplished by the respective raising and lowering of the second support cord without movement of the first support cord.
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