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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
F01K 7/00 F22B 1/00 |
| (11) | Number of the document | 3379 |
| (13) | Kind of document | B |
| (21) | Application number | IP842 |
| (22) | Date of filing the application | 1993-08-10 |
| (41) | Date of publication of the application | 1995-02-27 |
| (45) | Date of publication of patent | 1995-08-25 |
| (30) | Number | Date | Country code |
| 301621 | 1989-01-24 | US | |
| PCT/FI90/00026 | 1990-01-23 | WO | |
| 5001477 | 1991-01-23 | SU |
| (71) |
A.AHLSTROM CORPORATION,
SF-29600 Noormarkku,
FI
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| (72) |
Ponnusami K. GOUNDER, US
Timo M. KAURANEN, US Neil R. RASKIN, US |
| (73) |
FOSTER WHEELER ENERGIA OY,
Sentnerikuja 2, 00440 Helsinki,
FI
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| (74) |
Marius JAKULIS - JASON,
AAA Law, A. Goštauto g. 40B, Verslo centras "Dvyniai", LT-03163 Vilnius,
LT
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| (54) | SYSTEM AND METHOD FOR REHEAT STEAM TEMPERATURE CONTROL IN CIRCULATING FLUIDIZED BED BOILERS |
| Payment date | Validity (years) | Amount | |
| 2005-07-21 | 13 | 1000.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2006-08-10 |