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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
G11B 5/127 |
| (11) | Number of the document | 3932 |
| (13) | Kind of document | B |
| (21) | Application number | IP1937 |
| (22) | Date of filing the application | 1994-05-13 |
| (41) | Date of publication of the application | 1995-11-27 |
| (45) | Date of publication of patent | 1996-05-27 |
| (71) |
Vladimiras ISAJEVAS,
Medeinos g. 31-32, 2022 Vilnius,
LT
Zenon GUGNEVIČ, Tuskulėnų g. 15-65, 2051 Vilnius, LT |
| (72) |
Vladimiras ISAJEVAS, LT
Zenon GUGNEVIČ, LT |
| (73) |
Vladimiras ISAJEVAS,
Medeinos g. 31-32, 2022 Vilnius,
LT
|
| (74) |
Liubov PRONIKOVA,
Patentinių paslaugų centras, UAB, J. Basanavičiaus g. 11/1, LT-2600 Vilnius,
LT
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| (54) | MAGNETICAL HEAD |
| Payment date | Validity (years) | Amount | |
| 1998-04-30 | 5 | 61.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1999-05-13 |