Expandable and collapsible window covering
US5313998A · kind A · utility
89Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1992 |
| Grant date | May 24, 1994 |
| Priority date | — |
| Expiry date | May 14, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24744
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An expandable and collapsible window covering is disclosed in which an unpleated facing fabric is attached to a pleated panel to provide a Roman shade type window covering. Transverse cells are formed by the attachment of the pleated panel and unpleated fabric which provide excellent insulation properties. A method for making such a shade is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.