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EP0243423
European procedure
Extract from the Register of European Patents
EP Event history: EP0243423
| Date | Description | European Patent Bulletin date, issue number |
|---|---|---|
| 16.11.1991 | No opposition filed within time limit | published on 08.01.1992 [1992/02] |
| 04.09.1991 | Lapse of the patent in a contracting state | published on 23.10.1991 [1991/43] |
| 01.12.1990 | (Expected) grant | published on 16.01.1991 [1991/03] |
| 09.08.1988 | First examination report | |
| 05.11.1987 | Request for examination filed | published on 23.12.1987 [1987/52] |
| 19.09.1987 | Publication in section I.1 EP Bulletin | published on 04.11.1987 [1987/45] |