Pull down, push up, shade assembly

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

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.

REFERENCES:
patent: 1949653 (1934-03-01), Moore
patent: 2267160 (1941-12-01), McKerlie
patent: 2594637 (1952-04-01), Gertzon
patent: 2748852 (1956-06-01), Akerstrom
patent: 3798839 (1974-03-01), Kaufman
patent: 5482100 (1996-01-01), Kuhar
patent: 5531257 (1996-07-01), Kuhar
patent: 5547156 (1996-08-01), Djuric
patent: 5671793 (1997-09-01), Lee
patent: 5813447 (1998-09-01), Lysyj
patent: 6012506 (2000-01-01), Wang et al.
patent: 6047759 (2000-04-01), Lysyj
patent: 6047760 (2000-04-01), Judkins
patent: 6056036 (2000-05-01), Todd et al.
patent: 6164362 (2000-12-01), Yang
patent: 6289965 (2001-09-01), Ruggles
patent: 6293329 (2001-09-01), Toti
patent: 6330899 (2001-12-01), Ciuca et al.
patent: 6474394 (2002-11-01), Kuhar
patent: 6681831 (2004-01-01), Cheng et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Pull down, push up, shade assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pull down, push up, shade assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pull down, push up, shade assembly will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3572459

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.