|
|
|
|
|
Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
E21B 49/00 G01N 1/04 |
| (11) | Number of the document | 5127 |
| (13) | Kind of document | B |
| (21) | Application number | 2002 076 |
| (22) | Date of filing the application | 2002-07-02 |
| (41) | Date of publication of the application | 2004-01-26 |
| (45) | Date of publication of patent | 2004-04-26 |
| (71) |
Vilniaus Gedimino technikos universitetas,
Saulėtekio al. 11, 2040 Vilnius,
LT
|
| (72) |
Pranas BALTRĖNAS, LT
Česlovas IGNATAVIČIUS, LT Gytautas IGNATAVIČIUS, LT |
| (73) |
Vilniaus Gedimino technikos universitetas,
Saulėtekio al. 11, 2040 Vilnius,
LT
|
| (74) |
| (54) | DEVICE FOR TAKING SOIL SAMPLES FROM THE DIFFERENT LAYERS OF THE GROUND |
| Payment date | Validity (years) | Amount | |
| 2006-06-29 | 5 | 400.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2007-07-02 |