Device for biological purification of waste water
USD611568S1 · kind S1 · design
14Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 26, 2009 |
| Grant date | Mar 9, 2010 |
| Priority date | — |
| Expiry date | Mar 9, 2024 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.