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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
G01D 1/00 G01D 3/10 G01S 17/00 G01V 8/00 |
| (11) | Number of the document | 4275 |
| (13) | Kind of document | B |
| (21) | Application number | 97-067 |
| (22) | Date of filing the application | 1997-04-11 |
| (41) | Date of publication of the application | 1997-10-27 |
| (45) | Date of publication of patent | 1997-12-29 |
| (71) |
Česlovas PAVASARIS,
Šeškinės g. 31-36, 2010 Vilnius,
LT
Georgij LEONTJEV, Erfurto g. 18-57, 2043 Vilnius, LT |
| (72) |
Česlovas PAVASARIS, LT
Georgij LEONTJEV, LT |
| (73) |
Česlovas PAVASARIS,
Šeškinės g. 31-36, 2010 Vilnius,
LT
Georgij LEONTJEV, Erfurto g. 18-57, 2043 Vilnius, LT |
| (74) |
| (54) | METHOD AND DEVICE FOR DETECTING PETROLEUM PRODUCTS ON WATER SURFACE |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1999-04-11 |