Sign post
US4227329A · kind A · utility
1Cited by
4References
4Claims
0Family size
Inventor
Key dates
| Filing date | Oct 31, 1978 |
| Grant date | Oct 14, 1980 |
| Priority date | — |
| Expiry date | Oct 31, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F2007/183
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The sign post comprises a supporting tube and one or more sign box structures which may or may not be illuminated for providing information to the public, in particular in a town zone. In this sign post, the box structure comprises at least two half-shells which are detachably assembled and the assembly faces of the two half-shells have complementary recesses for the passage of the supporting tube. This type of sign post is particularly applicable in road sign systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.