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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
C02F 3/00 |
| (11) | Number of the document | 4786 |
| (13) | Kind of document | B |
| (21) | Application number | 99-042 |
| (22) | Date of filing the application | 1999-04-28 |
| (41) | Date of publication of the application | 2000-11-27 |
| (45) | Date of publication of patent | 2001-05-25 |
| (71) |
Lietuvos vandens ūkio institutas,
Parko g. 6, Vilainiai, 5048 Kėdainių r.,
LT
|
| (72) |
Albertas STEPONAVIČIUS, LT
Valerijus GASIŪNAS, LT Zenonas STRUSEVIČIUS, LT |
| (73) |
Lietuvos vandens ūkio institutas,
Parko g. 6, Vilainiai, 5048 Kėdainių r.,
LT
|
| (74) |
| (54) | FILTERING SYSTEM FOR TREATMENT OF WASTE WATER |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2001-04-28 |