Venting system for insulating window shade
US4497436A · kind A · utility
2Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1983 |
| Grant date | Feb 5, 1985 |
| Priority date | — |
| Expiry date | Feb 17, 2003 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/2452
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An insulating window shade assembly having a roll up shade which covers the window, seals about the shade to increase the effectiveness of the insulation provided by it, and venting means at the top and bottom of the shade assembly for allowing air to flow through the space between the shade and window to cool the space when the temperature exceeds a prescribed value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.