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EP0331079
European procedure
Extract from the Register of European Patents
EP Event history: EP0331079
| Date | Description | European Patent Bulletin date, issue number |
|---|---|---|
| 03.12.1992 | No opposition filed within time limit | published on 20.01.1993 [1993/03] |
| 13.12.1991 | (Expected) grant | published on 29.01.1992 [1992/05] |
| 17.05.1991 | First examination report | |
| 19.02.1990 | Request for examination filed | published on 11.04.1990 [1990/15] |
| 22.07.1989 | Publication in section I.1 EP Bulletin | published on 06.09.1989 [1989/36] |