Date | Description | European Patent Bulletin date, issue number |
---|---|---|
18.12.1991 | Patent maintained (B2 publication) | published on 05.02.1992 [1992/06] |
24.05.1988 | Opposition filed | published on 13.07.1988 [1988/28] |
25.07.1987 | (Expected) grant | published on 09.09.1987 [1987/37] |
24.06.1986 | First examination report | |
29.06.1985 | Publication in section I.1 EP Bulletin | published on 28.08.1985 [1985/35] |
29.06.1985 | Request for examination filed | published on 28.08.1985 [1985/35] |