Shingle with abraded nail line
US11085187B2 · kind B2 · utility
4Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2020 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Sep 16, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D2001/3491
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roofing shingle includes a visible region for guiding an installer on proper placement of fasteners that secure the shingle to a surface. The visible region is formed by abrading material from the shingle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.