Unidirectional panel
USRE37186E · kind E · reissue
65Cited by
31References
89Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 31, 1996 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Dec 31, 2016 |
Classification
- Technology area (CPC —)General
Abstract
A panel which comprises a substrate of transparent or translucent material having applied to one or both sides a design superimposed on, or forming part of, an opaque pattern so that the design on one side of the panel cannot be seen from the other side. This is a Reissue of a Patent which was the subject of a Reexamination Certificate No. B1 4,673,609, dated Jul. 25, 1995, Request No. 90/003,201, Sep. 21, 1993.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.