Device for the renovation of flat roofs
US7866092B2 · kind B2 · utility
0Cited by
15References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 5, 2008 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Feb 5, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G23/0281
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention relates to a device for the renovation of a flat roof of a building, while at least partially maintaining the old roof structure, with at least three attachment devices for attaching a second roof disposed over the flat roof being renovated, the second roof being made of a flexible, tensible surface material which is disposed by means of the at least three attachment devices over the flat roof such that it covers the area of the flat roof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.