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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2019.01) |
F24F 7/00 F24F 12/00 |
| (11) | Number of the document | 6633 |
| (13) | Kind of document | B |
| (21) | Application number | 2017 082 |
| (22) | Date of filing the application | 2017-11-23 |
| (41) | Date of publication of the application | 2019-05-27 |
| (45) | Date of publication of patent | 2019-06-10 |
| (71) |
Andrius BALIUKONIS,
Architektų g. 198-34, 04213 Vilnius,
LT
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| (72) |
Andrius BALIUKONIS, LT
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| (73) |
Andrius BALIUKONIS,
Architektų g. 198-34, 04213 Vilnius,
LT
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| (74) |
Vytautas GUOBYS,
Ateities g. 3-9, LT-08306 Vilnius,
LT
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| (54) | RECUPERATIVE ROOM VENTILATION DEVICE |
| Payment date | Validity (years) | Amount | |
| 2020-11-21 | 4 | 92.00 EUR |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2021-11-23 |