Flexible or portable closure – partition – or panel – Pleating type – With preformed pleats
Reexamination Certificate
2010-01-29
2011-11-29
Purol, David (Department: 3634)
Flexible or portable closure, partition, or panel
Pleating type
With preformed pleats
C160S170000
Reexamination Certificate
active
08066050
ABSTRACT:
A roman curtain includes a curtain unit and a winding unit. The curtain unit has a covering portion, a top edge portion of which is adapted to be mounted to or in the vicinity of an upper edge of the window and which extends downwardly, an upper tube that is disposed on a rear side of the covering portion, a lower tube that is disposed on the rear side of the covering portion below and spaced apart vertically from the upper tube, and two rods that extend into the upper and lower tubes respectively. The winding unit has a winding rod that is adapted to be mounted rotatably to or in the vicinity of the upper edge of the window, and a winding piece, a top end portion of which is connected to the winding rod.
REFERENCES:
patent: 1789724 (1931-01-01), Carver
patent: 2110983 (1938-03-01), Carver
patent: 2260101 (1941-10-01), De Falco
patent: 3777800 (1973-12-01), Susoev
patent: 3817309 (1974-06-01), Takazawa
patent: 4909298 (1990-03-01), Langhart et al.
patent: 4934435 (1990-06-01), Regev
patent: 5597027 (1997-01-01), Simon et al.
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