Window blind having fabric slats

Details Window blind having fabric slats Window blind having fabric slats

2006-06-06

2006-06-06

Purol, David (Department: 3634)

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

C139S38400B

Reexamination Certificate

active

07055572

ABSTRACT:
A window blind includes a headrail, a bottom rail and a plurality of fabric slats arranged in parallel between the headrail and the bottom rail. Each fabric slat has two stiff support rods disposed at the two opposite long sides thereof. A plurality of ladder tapes are symmetrically connected between the headrail and the bottom rail and located respectively at the two opposite long sides of the fabric slats. Each ladder tape is formed of a plurality of strands by weaving and has a plurality of through holes in the netting structure thereof for the insertion of the support rods of the fabric slats so as to join the fabric slats to the ladder tapes between the headrail and the bottom rail at different elevations.

REFERENCES:
patent: 2187121 (1940-01-01), Graves
patent: 2275273 (1942-03-01), Taylor
patent: 2304534 (1942-12-01), Burns
patent: 3256928 (1966-06-01), Hensel
patent: 3916973 (1975-11-01), Schuppler et al.
patent: 5829506 (1998-11-01), Zorbas
patent: 6854504 (2005-02-01), Nien
patent: 2004/0103994 (2004-06-01), Nien
patent: 547056 (2003-08-01), None

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