Patent · US Expired

Window blind

US4505070A · kind A · utility

10Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 1983
Grant dateMar 19, 1985
Priority date
Expiry dateSep 28, 2003

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE06B9/28
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A window blind for controlling the amount of light admitted through a window, door, skylight, or the like. The blind is secured at the top and bottom of the window, making it suitable for use with all types of windows in buildings or vehicles, regardless of the relative orientation of the window with respect to the base of the structure or vehicle. The blinds have a plurality of horizontal slats, sequentially arranged in vertical alignment, and gear driven elements for supporting and adjusting the position of the slats.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.