Roofing shingle system and shingles for use therein
US9416539B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2014 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Nov 21, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D1/28
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roofing system and roofing shingles for use therein are disclosed. The roofing system comprises a multiplicity of courses of roofing shingles having a headlap portion, a buttlap portion, a lateral leading edge, and a lateral trailing edge, wherein the headlap portion has a width that is less than a width of the buttlap portion defining a reduced-width headlap, wherein the lateral trailing edge of a shingle in a course partially overlaps and partially abuts the lateral leading edge of an adjacent previously installed shingle to form an interlocking edge between adjacent shingles in the course, and wherein the lateral edge includes a trailing edge projection having a weather edge, a rear edge, and a variable breadth that increases toward the rear edge of the trailing edge projection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.