Folded prestrung shade and package
US4976301A · kind A · utility
45Cited by
17References
8Claims
0Family size
Inventors
Key dates
| Filing date | Jan 30, 1985 |
| Grant date | Dec 11, 1990 |
| Priority date | — |
| Expiry date | Jan 30, 2005 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/2622
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A packaged balloon shade is folded initially in laterally extending pleats, to minimize the amount of unsightly wrinkling apparent in the hung drape, to facilitate manufacture and installation, and to avoid unnecessary waste of cord used for the operating drawstrings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.