Extract from the Register of European Patents

EP Event history: EP0031804


Date  Description European Patent Bulletin date, issue number
27.03.1986 No opposition filed within time limit published on  14.05.1986 [1986/20]
22.03.1985 (Expected) grant published on  22.05.1985 [1985/21]
17.03.1982 Request for examination filed published on  19.05.1982 [1982/20]
21.07.1981 Publication of search report published on  23.09.1981 [1981/38]
09.05.1981 Publication in section I.1 EP Bulletin published on  08.07.1981 [1981/27]