Stepped tile shingle
US7520098B1 · kind B1 · utility
27Cited by
65References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2005 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Aug 11, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D2001/3473
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A shingle includes a body having an upper end, a lower end, a top surface, a bottom surface, a first side and a second side. The body has a width defined as the distance between the two opposing sides, a length defined by the distance between the upper end and the lower end. In a preferred embodiment, the shingle also includes a side wall that extends downward from the body adjacent one of the sides and extends the length of the shingle. The side wall preferably includes an angular projection disposed toward the upper end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.