Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
Reexamination Certificate
2007-11-27
2007-11-27
Johnson, Blair M. (Department: 3634)
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
With mounting or supporting means
C160S222000
Reexamination Certificate
active
11541869
ABSTRACT:
A vertical blind includes a headrail, a fixing bracket, a plurality of juxtaposed movable brackets, a drive bracket, a plurality of driven blocks, a plurality of drive blocks, a plurality of mounting seats, a plurality of shades, a pull cord unit, and a positioning unit. Thus, the vertical blind contains multiple movable brackets movable between the fixing bracket and the drive bracket, so that the length of the vertical blind is expanded freely to fit the size of the window, thereby enhancing the versatility of the vertical blind. In addition, the mounting seats have different lengths corresponding to the positions of the fixing bracket and the movable brackets, so that the movable brackets are movable smoothly without interfering with each other, thereby facilitating operation of the vertical blind.
REFERENCES:
patent: 3348603 (1967-10-01), Ford
patent: 3642051 (1972-02-01), Goldner
patent: 3911991 (1975-10-01), Malferrari
patent: 4073034 (1978-02-01), Martens
patent: 5109912 (1992-05-01), Gary
patent: 6003583 (1999-12-01), Lacoste et al.
patent: 6892783 (2005-05-01), Comeau et al.
Johnson Blair M.
Kamrath Alan
Kamrath & Associates P.A.
LandOfFree
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