Thermal shade
US4574861A · kind A · utility
9Cited by
9References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 11, 1983 |
| Grant date | Mar 11, 1986 |
| Priority date | — |
| Expiry date | Oct 11, 2003 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/17069
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A thermal shade for limiting the amount of thermal energy which enters a structure through an opening therein is disclosed. The shade comprises a plurality of integrally formed elongated closed rectangular tubes which have a dead air space, are arranged in parallel relation to each other, and are connected on the side opposite the opening by living hinges. The shade also includes means for positioning shade to limit the thermal energy entering the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.