Multicellular window covering
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United States of America Patent
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Feb 15, 2005
Grant Date -
Jan 29, 2004
app pub date -
Jul 21, 2003
filing date -
Apr 13, 2000
priority date (Note) -
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Abstract
A multicellular window covering is formed from a starting product in the form of a double-cell type of multicellular honeycomb structure. The individual cells of the starting product are defined by external pleated sides on the opposite faces of the structure and internal ligaments interconnecting the opposite faces at spaced intervals. Selected internal ligaments are severed, while leaving others of the internal ligaments intact, thereby eliminating a plurality of the original cells in various alternative patterns.
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