Direction indicating traffic barricade
US5339765A · kind A · utility
7Cited by
7References
17Claims
0Family size
Inventor
Key dates
| Filing date | Apr 14, 1993 |
| Grant date | Aug 23, 1994 |
| Priority date | — |
| Expiry date | Apr 14, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F13/0472
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A visual message indicating barricade is presented having a support means adapted to hold the barricade in a relatively upright position, at least one body affixed to said support by a securing means, at least one selectively movable member connected to the body, and at least one visually discernible message presented corresponding to each of the members, wherein the members can be selectively positioned in either a concealing or a revealing position with respect to the visual message corresponding thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.