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Extract from the Register of European Patents

EP Event history: EP0022887


Date  Description European Patent Bulletin date, issue number
12.11.1999 Lapse of the patent in a contracting state published on  29.12.1999 [1999/52]
18.10.1984 No opposition filed within time limit published on  19.12.1984 [1984/51]
21.10.1983 (Expected) grant published on  21.12.1983 [1983/51]
16.07.1981 Request for examination filed published on  16.09.1981 [1981/37]
01.12.1980 Publication in section I.1 EP Bulletin published on  28.01.1981 [1981/04]