| Date | Description | European Patent Bulletin date, issue number |
|---|---|---|
| 08.08.1997 | No opposition filed within time limit | published on 24.09.1997 [1997/39] |
| 16.08.1996 | (Expected) grant | published on 02.10.1996 [1996/40] |
| 13.08.1996 | Communication of intention to grant a patent | |
| 26.07.1996 | Renewal fee | |
| 02.02.1996 | Communication of intention to grant a patent | |
| 04.01.1996 | Communication of intention to grant | |
| 15.03.1995 | First examination report | |
| 14.01.1994 | Publication in section I.1 EP Bulletin | published on 02.03.1994 [1994/09] |
| 14.01.1994 | Request for examination filed | published on 02.03.1994 [1994/09] |