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EP0421331
European procedure
Extract from the Register of European Patents
EP Event history: EP0421331
| Date | Description | European Patent Bulletin date, issue number |
|---|---|---|
| 18.05.1995 | No opposition filed within time limit | published on 05.07.1995 [1995/27] |
| 27.05.1994 | (Expected) grant | published on 13.07.1994 [1994/28] |
| 05.01.1994 | Change - representative | published on 23.02.1994 [1994/08] |
| 23.11.1992 | First examination report | |
| 03.09.1991 | Publication of search report | published on 23.10.1991 [1991/43] |
| 23.02.1991 | Publication in section I.1 EP Bulletin | published on 10.04.1991 [1991/15] |
| 23.02.1991 | Request for examination filed | published on 10.04.1991 [1991/15] |