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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
F24F 7/04 |
| (11) | Number of the document | 3904 |
| (13) | Kind of document | B |
| (21) | Application number | IP1921 |
| (22) | Date of filing the application | 1994-04-25 |
| (41) | Date of publication of the application | 1995-11-27 |
| (45) | Date of publication of patent | 1996-04-25 |
| (30) | Number | Date | Country code |
| 2 | 1991-09-16 | LT |
| (71) |
Vladas VILIMAS,
Savanorių pr. 122-17, 3005 Kaunas,
LT
Raimundas VILIMAS, Savanorių pr. 122-17, 3005 Kaunas, LT |
| (72) |
Vladas VILIMAS, LT
Raimundas VILIMAS, LT |
| (73) |
Vladas VILIMAS,
Savanorių pr. 122-17, 3005 Kaunas,
LT
Raimundas VILIMAS, Savanorių pr. 122-17, 3005 Kaunas, LT |
| (74) |
Marija LENKUTIENĖ,
Patentinių paslaugų centras, UAB, Jono Basanavičiaus g. 11/1, LT-03108 Vilnius,
LT
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| (54) | VENTILATION SYSTEM FOR STORAGE |
| Payment date | Validity (years) | Amount | |
| 1997-02-13 | 4 | 48.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1998-04-25 |