Reinforced window assembly
US4428156A · kind A · utility
23Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1981 |
| Grant date | Jan 31, 1984 |
| Priority date | — |
| Expiry date | Oct 2, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2003/4461
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sash assembly for a glazing panel. The sash members of the assembly are formed with a concave inner surface which contains a rigid reinforcement member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.