Mine dewatering apparatus
USD636791S1 · kind S1 · design
5Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2009 |
| Grant date | Apr 26, 2011 |
| Priority date | — |
| Expiry date | Apr 26, 2025 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.