Roof panel
US4759166A · kind A · utility
Inventor
Key dates
| Filing date | May 28, 1987 |
| Grant date | Jul 26, 1988 |
| Priority date | — |
| Expiry date | May 28, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D3/30
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A building panel which can be fabricated on site to any desired length, comprising a continuous strip having two mutually interlocking edge structures running the full length of the panel, one edge structure being adapted to be fastened to the underlying roof and including an outer flange with spaced slots through which a nail or screw can be used to fasten the panel, an upwardly projecting lengthwise first ridge with a rounded upper portion, an S-shaped recess spaced inwardly from the first ridge and running lengthwise of the panel, and the other edge structure including an outer flange adapted to be inserted into the S-shaped recess of the next adjacent panel, and an upwardly projecting lengthwise second ridge adapted to overlie the first ridge of the next adjacent panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.