Insulating structure
US4434579A · kind A · utility
9Cited by
7References
4Claims
0Family size
Inventor
Key dates
| Filing date | Mar 19, 1982 |
| Grant date | Mar 6, 1984 |
| Priority date | — |
| Expiry date | Mar 19, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B9/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Energy saving apparatus for use with a window, including a sheet of insulating material slidable in and out of a rigid envelope built into the wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.