U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Vertical blind assembly

Patent 5168913 Issued on December 8, 1992. Estimated Expiration Date: Icon_subject March 26, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2188575

2503441

2604159

2827956

3079988

3125154

3137043

Vertical venetian blind construction
Patent #: 4006769
Issued on: 02/08/1977
Inventor: Woodle

Locking mechanism for vertical slat blind
Patent #: 4114673
Issued on: 09/19/1978
Inventor: de Wit ,   et al.

Vertical blind
Patent #: 4214622
Issued on: 07/29/1980
Inventor: Debs

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Inventor

Assignee

Application

No. 675185 filed on 03/26/1991

US Classes:

160/168.1R, With accumulating means160/176.1R, With angle adjusting means160/900VERTICAL TYPE VENETIAN BLIND

Examiners

Primary: Purol, David M.

Attorney, Agent or Firm

International Class

E06B 009/30

Abstract

A vertical blind apparatus comprises a top track, a plurality of elongate vanes, and a carrier vane for independently, rotatably and slidably suspending each of the elongate vanes from the top track in side-by-side condition, such that the vanes may be rotated about a given arc relative to the track and also slidably drawn together or apart for opening and closing the blind, and for extending and retracting the blind relative to a window. Each vane carrier includes a resilient vane-receiving clip-like portion for releasably, grippingly engaging a top end portion of a corresponding vane and a glide for suspending the carriers from the track. Each of the vane carriers has oppositely outwardly extending lever arm portions aligned generally in parallel with the plane of the associated vane and generally in parallel with the plane of the associated vane and generally to either side of a vertical central axis thereof. A pair of elongate cords are operatively coupled to the lever arm portions for pivoting and sliding the vanes in unison.

Other References

  • Take Control Single-Handedly--Solitaire Vertical Control System, Graber, a division of Springs Industries (4 pages)
  • Frei Tric Vertical blind system by Creation Baumann, Carnegie/Creation Baumann (8 pages
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