Roof tile
US5941039A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 28, 1996 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Jun 28, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D1/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention is directed to a concrete roof tile having a front edge surface, which is that surface of the tile across the width of the tile and which faces downwardly when in use on a roof. The front edge surface has a progressively greater depth as between a relatively thin profiled central portion and thicker profiled side portions. In use, the horizontal rows of the roof tiles are laid in half-bond relationship with adjacent horizontal rows to give a pleasing appearance in which the combined overlapped thicknesses of the tiles in one such row of tiles and the tiles of adjacent rows of tiles above and/or below at overlapped headlap and tail portions are the same or substantially the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.