Rotatable sign
US5933990A · kind A · utility
5Cited by
60References
7Claims
0Family size
Inventors
Key dates
| Filing date | May 13, 1996 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | May 13, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F11/14
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A rotatable sign with a plurality of routinely alterable display faces is disclosed, having at least two endless roller chains, a plurality of mounting clips and bi-ended slats, and a plurality of interchangeable message strips and flexible sheets that may be mounted on the sign assembly using the slats and clips, where portions of the message strips may be altered using self-stick adhesive patches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.