Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Reexamination Certificate
2011-05-31
2011-05-31
Mitchell, Katherine (Department: 3634)
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
Reexamination Certificate
active
07950437
ABSTRACT:
A window covering is disclosed that includes a first rail, window covering material adjacent the first rail, at least one lift cord extending through the window covering material to the headrail, a plurality of pulleys positioned adjacent the first rail, at least one spring motor adjacent the first rail, at least one spring motor cord extending from the one or more spring motors and a rigid connector attached to one or more spring motor cords and one or more lift cords. The connector and one or more spring motor cords are configured to pass along at least one of the pulleys during movement along a cord path defined by one or more of the pulleys. The connector should have a length that is not greater than ⅙ of the circumference of at least one of the pulleys the connector passes over during extension of the window covering material.
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Buchanan & Ingersoll & Rooney PC
Mitchell Katherine
Ramsey Jeremy C
Whole Space Industries Ltd.
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