Shingles with a thick appearance
US11021876B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2018 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Dec 18, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D2001/3491
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A shingle comprises an overlay, an underlay, and a height increasing material disposed between the overlay and the underlay. The height increasing material includes a first adhesive adhered to the overlay, height increasing granules adhered to the first adhesive, and a second adhesive adhered to the height increasing granules and the underlay. The height increasing material can extend along front ends of tab portions of the overlay, along front cutout edges that extend between tab portions of the overlay, or both.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.