Window sash and frame molded of fibrous material
US4553364A · kind A · utility
8Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1984 |
| Grant date | Nov 19, 1985 |
| Priority date | — |
| Expiry date | Nov 19, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S49/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Window frames and sashes are molded of fabricated fibrous wool impregnated with a binder and coated with a resin which soaks into the surface to form a strong protective skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.