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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2021.01) |
B03C 3/00 |
| (11) | Number of the document | 6849 |
| (13) | Kind of document | B |
| (21) | Application number | 2020 511 |
| (22) | Date of filing the application | 2020-02-11 |
| (41) | Date of publication of the application | 2021-08-25 |
| (45) | Date of publication of patent | 2021-09-27 |
| (71) |
Vilniaus Gedimino technikos universitetas,
Saulėtekio al. 11, 10223 Vilnius,
LT
|
| (72) |
Pranas BALTRĖNAS, LT
|
| (73) |
Vilniaus Gedimino technikos universitetas,
Saulėtekio al. 11, 10223 Vilnius,
LT
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| (74) |
Gediminas PRANEVIČIUS,
Advokatų profesinė bendrija IP FORMA, Užupio g. 30, LT-01203 Vilnius,
LT
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| (54) | SINGLE ZONE SPRING-LOADED ELECTROSTATIC AIR TREATMENT FILTER AND METHOD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2022-02-11 |