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Extract from the Register of European Patents

EP Event history: EP0253934


Date  Description European Patent Bulletin date, issue number
31.07.2009 Change - representative published on  02.09.2009  [2009/36]
07.07.2007 Change - inventor published on  08.08.2007  [2007/32]
29.05.1990 Application deemed to be withdrawn published on  18.07.1990 [1990/29]
18.08.1989 First examination report
04.05.1988 Request for examination filed published on  22.06.1988 [1988/25]
12.12.1987 Publication in section I.1 EP Bulletin published on  27.01.1988 [1988/04]