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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
F27B 21/00 |
| (11) | Number of the document | 3886 |
| (13) | Kind of document | B |
| (21) | Application number | IP1933 |
| (22) | Date of filing the application | 1994-05-11 |
| (41) | Date of publication of the application | 1995-11-27 |
| (45) | Date of publication of patent | 1996-04-25 |
| (71) |
METALLGESELLSCHAFT AKTIENGESELLSCHAFT,
Reuterweg 14, D-60271 Frankfurt am Main,
DE
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| (72) |
Fred STIELER, DE
Norbert MAGEDANZ, DE Walter GERLACH, DE Juergen OTTO, DE Martin HIRSCH, DE Fred CAPPEL, DE Detlev SCHLEBUSCH, DE Hermann SCHMIDT, DE Heiko WEISEL, DE Hans Joachim WERZ, DE |
| (73) |
METALLGESELLSCHAFT AKTIENGESELLSCHAFT,
Reuterweg 14, D-60271 Frankfurt am Main,
DE
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| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | METHOD FOR AGGLOMERATING MATERIALS HAVING FERROUS OXIDE |
| Payment date | Validity (years) | Amount | |
| 1998-04-30 | 5 | 100.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1999-05-11 |