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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
C02F 3/28 |
| (11) | Number of the document | 4449 |
| (13) | Kind of document | B |
| (21) | Application number | 98-041 |
| (22) | Date of filing the application | 1998-03-31 |
| (41) | Date of publication of the application | 1998-10-26 |
| (45) | Date of publication of patent | 1999-01-25 |
| (71) |
AB "SEMA",
Respubikos g. 82, 5319 Panevėžys,
LT
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| (72) |
Gediminas SARGŪNAS, LT
Audrius DILBA, LT Algirdas Bronislavas MATUZEVIČIUS, LT |
| (73) |
AB "SEMA",
Respubikos g. 82, 5319 Panevėžys,
LT
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| (74) |
Petras PUZINAS,
P.Puzino įmonė "Kalnuočiai", Aguonų g. 140, LT-37452 Panevėžys,
LT
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| (54) | PROCESS AND DEVICE FOR ANAEROBIC TREATMENT OF WASTE WATER |
| Payment date | Validity (years) | Amount | |
| 2001-02-14 | 4 | 320.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2002-03-31 |