Frane assembly for building opening
US4781008A · kind A · utility
26Cited by
14References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 16, 1988 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Feb 16, 2008 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D13/0315
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A frame assembly for a building opening such as a roof hatch or scuttle, wherein frame elements and integral or separate connecting elements therefor are adapted for on-site assembly and leak-proof securement to a building roof or wall, both manufacture and installation being relatively uncomplicated operations and the resulting structures being adapted to meet high standards of performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.