Self-opening shades and methods of using the same
US6595227B2 · kind B2 · utility
34Cited by
157References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2001 |
| Grant date | Jul 22, 2003 |
| Priority date | — |
| Expiry date | May 28, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H15/40
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A shade including a frame member being formed from a flexible twistable material and a membrane is disclosed. The shade includes an adjustable tension strap coupled to two ends of the membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.