|
|
|
|
|
Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
F28G 1/00 |
| (11) | Number of the document | 3539 |
| (13) | Kind of document | B |
| (21) | Application number | IP1585 |
| (22) | Date of filing the application | 1993-12-10 |
| (41) | Date of publication of the application | 1995-06-26 |
| (45) | Date of publication of patent | 1995-11-27 |
| (30) | Number | Date | Country code |
| 70 | 1992-03-25 | LT |
| (71) |
Valdas JURKEVIČIUS,
Taikos g. 43-25, 2017 Vilnius,
LT
Vytautas MIŠKINIS, Krivių g. 31-13, 2007 Vilnius, LT Gintautas VAREIKA, Čiobiškio g. 5-57, 2010 Vilnius, LT |
| (72) |
Valdas JURKEVIČIUS, LT
Vytautas MIŠKINIS, LT Gintautas VAREIKA, LT |
| (73) |
Valdas JURKEVIČIUS,
Taikos g. 43-25, 2017 Vilnius,
LT
Vytautas MIŠKINIS, Krivių g. 31-13, 2007 Vilnius, LT Gintautas VAREIKA, Čiobiškio g. 5-57, 2010 Vilnius, LT |
| (74) |
| (54) | DEVICE FOR CLEANING OF HEATING SURFACES |
| Payment date | Validity (years) | Amount | |
| 1999-12-10 | 7 | 280.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2000-12-10 |