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|
Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
E01F 7/00 |
| (11) | Number of the document | 4028 |
| (13) | Kind of document | B |
| (21) | Application number | IP2066 |
| (22) | Date of filing the application | 1994-12-16 |
| (41) | Date of publication of the application | 1996-06-25 |
| (45) | Date of publication of patent | 1996-08-26 |
| (71) |
Lietuvos melioracijos institutas,
Parko g. 6, Vilainiai, 5048 Kėdainių r.,
LT
|
| (72) |
Saulius VAIKASAS, LT
Alfonsas RIMKUS, LT |
| (73) |
Lietuvos melioracijos institutas,
Parko g. 6, Vilainiai, 5048 Kėdainių r.,
LT
|
| (74) |
| (54) | DEVICE AFFORDING PROTECTION AGAINST SNOW FOR CANALS |
| Payment date | Validity (years) | Amount | |
| 1997-11-11 | 4 | 48.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1998-12-16 |