Roofing shingle system and shingles for use therein
US9410323B1 · kind B1 · utility
31Cited by
144References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 13, 2015 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Mar 13, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D2001/005
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roofing system is provided comprising a multiplicity of courses of roofing shingles having a reduced-width headlap portion and a non-straight longitudinal front edge, wherein a lateral trailing edge of a shingle in a single course overlaps (side-laps) an adjacent previously installed shingle, and where the buttlap portion includes an exposed buttlap portion having a surface area that is greater than the surface area of the headlap portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.