Shingle with reinforcement layer
US7781046B2 · kind B2 · utility
71Cited by
29References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2009 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Apr 13, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/25
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A shingle and a method of making it is provided in which the rear surface of the shingle is provided with an attached reinforcement layer through which fasteners may be applied when the shingle is applied to a roof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.