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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
C02F 7/00 |
| (11) | Number of the document | 4435 |
| (13) | Kind of document | B |
| (21) | Application number | 97-029 |
| (22) | Date of filing the application | 1997-03-03 |
| (41) | Date of publication of the application | 1998-09-25 |
| (45) | Date of publication of patent | 1998-12-28 |
| (71) |
Ivan ŠECHOVCOV,
Poilsio g. 16-9, 5804 Klaipėda,
LT
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| (72) |
Ivan ŠECHOVCOV, LT
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| (73) |
Ivan ŠECHOVCOV,
Poilsio g. 16-9, 5804 Klaipėda,
LT
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| (74) |
Jarūta LOTUŽYTĖ,
Medžiotojų g. 12-30, LT-92240 Klaipėda,
LT
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| (54) | SURFACE AERATOR |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1999-03-03 |