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Extract from the Register of European Patents

EP Event history: EP0021725


Date  Description European Patent Bulletin date, issue number
12.02.1985 No opposition filed within time limit published on  17.04.1985 [1985/16]
04.02.1984 (Expected) grant published on  04.04.1984 [1984/14]
24.07.1981 Request for examination filed published on  23.09.1981 [1981/38]
08.11.1980 Publication in section I.1 EP Bulletin published on  07.01.1981 [1981/01]