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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2011.01) |
F23J 13/00 |
| (11) | Number of the document | 5839 |
| (13) | Kind of document | B |
| (21) | Application number | 2010 070 |
| (22) | Date of filing the application | 2010-09-20 |
| (41) | Date of publication of the application | 2012-03-26 |
| (45) | Date of publication of patent | 2012-05-25 |
| (71) |
Kęstutis USEVIČIUS,
Rudaminos g. 4-1, LT-02165 Vilnius,
LT
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| (72) |
Kęstutis USEVIČIUS, LT
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| (73) |
Kęstutis USEVIČIUS,
Rudaminos g. 4-1, LT-02165 Vilnius,
LT
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| (74) |
| (54) | SPIRAL CHIMNEY |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2012-09-20 |