Upper portion of a concrete bridge unit
USD697634S1 · kind S1 · design
9Cited by
74References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2012 |
| Grant date | Jan 14, 2014 |
| Priority date | — |
| Expiry date | Jan 14, 2028 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.