Insulated window and door opening assemblies with high-density insulating cores
US11761258B1 · kind B1 · utility
0Cited by
15References
18Claims
0Family size
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Key dates
| Filing date | Feb 4, 2022 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Feb 4, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2001/707
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Window and door opening assemblies are disclosed herein that incorporate one or more high-density insulation cores and methods for constructing thereof. The high-density insulation cores are comprised of polyurethane foam with uniform high density and high structural integrity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.