Extract from the Register of European Patents

EP Event history: EP0442639


Date  Description European Patent Bulletin date, issue number
18.06.1993 Application deemed to be withdrawn published on  11.08.1993 [1993/32]
16.04.1992 Publication of search report published on  03.06.1992 [1992/23]
05.07.1991 Publication in section I.1 EP Bulletin published on  21.08.1991 [1991/34]