Thermally insulated hinged windows and doors
US4309845A · kind A · utility
14Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 1978 |
| Grant date | Jan 12, 1982 |
| Priority date | — |
| Expiry date | May 8, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S49/01
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A thermally insulated hinged window or door having a sash rail with a metal frame around the periphery thereof which is shielded from exposure to interior or exterior ambient temperatures by an extended overlapping frame member and seal to the glazing gasket perimeter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.