Composite window frame structural member
US6789369B1 · kind B1 · utility
1Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 3, 2003 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Apr 3, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B5/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The composite window frame structural member provides an elongated structural member comprising a polymer and wood fiber composition suitable for use and the manufacture of a window frame to be embedded in a concrete wall to define an opening therein and includes a top surface defining one side of the opening and a bottom surface that has at least two longitudinally extending concrete engaging members formed with an outer end and an inner end arcuately undercut to permit an even flow of concrete about the tendons as the concrete wall is poured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.