Window blind
US4505070A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1983 |
| Grant date | Mar 19, 1985 |
| Priority date | — |
| Expiry date | Sep 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.