Portable temporary traffic signal
USD457827S1 · kind S1 · design
6Cited by
8References
1Claims
0Family size
Inventors
Key dates
| Filing date | Sep 7, 2001 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | May 28, 2016 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.