High visibility safety sign
US7306345B2 · kind B2 · utility
4Cited by
49References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2003 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Mar 2, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F19/22
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A safety sign and methods are shown with advantages such as being more visible in poor conditions such as snow, dust, fog, low light, etc. Safety signs as shown can be seen from farther away than conventional signs. Safety signs as shown eliminate problems associated with point source lighting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.