Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Reexamination Certificate
2006-01-31
2006-01-31
Johnson, Blair M. (Department: 3634)
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
Reexamination Certificate
active
06991020
ABSTRACT:
A pleated shade assembly capable of height adjustment without use of pull cords, comprising an upper elongated support; a lower elongated member that is manually adjustable up and down; primary lines extending through shade pleats to suspend the bottom elongated member; primary rotors at the top elongated support to entrain the primary lines; at least one secondary line having operative connection to the primary lines; and apparatus acting on the secondary line or lines for counterbalancing suspension force exerted on the primary lines at different shade height adjusted levels.
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Cheng Li-Ming
Wu Lawrence S.
Haefliger William W.
Johnson Blair M.
ZipShade Industrial (B.V.I.) Corp.
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