Concrete road barrier
USD421235S · kind S · design
11Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 13, 1996 |
| Grant date | Feb 29, 2000 |
| Priority date | — |
| Expiry date | Feb 28, 2014 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.