| Designated contracting states Tooltip | AT | | BE | | CH | | ES | | FR | | GB | | IT | | LI | | LU | | NL | | SE | | Examination procedure | 12.12.1991 | Application refused, date of legal effect [1992/19] | Fees paid | Renewal fee | 16.03.1989 | Renewal fee patent year 03 | 06.02.1990 | Renewal fee patent year 04 | 14.03.1991 | Renewal fee patent year 05 | INPADOC data Tooltip | The EPO does not accept any responsibility for the accuracy of legal status data relating to the post-grant phase, including but not limited to their completeness and fitness for specific purposes, nor can it guarantee that such data are up to date. For authoritative information, please refer to the relevant national patent authority. | Event date: | 28.10.1987 | | Event description: | DESIGNATED CONTRACTING STATES | Kind Code of Ref Document: | A2 | Designated State(s): | AT BE CH ES FR GB IT LI LU NL SE | | Event date: | 30.08.1989 | | Event description: | DESIGNATED CONTRACTING STATES | Kind Code of Ref Document: | A3 | Designated State(s): | AT BE CH ES FR GB IT LI LU NL SE | | Event date: | 04.04.1990 | | Event description: | REQUEST FOR EXAMINATION FILED | Effective DATE: | 19900206 | | Event date: | 07.11.1990 | | Event description: | FIRST EXAMINATION REPORT DESPATCHED | Effective DATE: | 19900925 | | Event date: | 23.08.1989 | | Event description: | MAIN CLASSIFICATION (CORRECTION) | IPC CLASSIFICATION: | C02F 1/64 | | Event date: | 06.05.1992 | | Event description: | APPLICATION REFUSED | Effective DATE: | 19911212 | | Event date: | 08.08.2007 | | Event description: | INFORMATION ON INVENTOR PROVIDED BEFORE GRANT (CORRECTED) | INVENTOR: | HEIMHARDT, HANS-JUERGEN, DR. | | Event date: | 08.08.2007 | | Event description: | INFORMATION ON INVENTOR PROVIDED BEFORE GRANT (CORRECTED) | INVENTOR: | HEHL, WERNER | | Event date: | 08.08.2007 | | Event description: | INFORMATION ON INVENTOR PROVIDED BEFORE GRANT (CORRECTED) | INVENTOR: | ALLEF, JUERGEN, DIPL.-ING. | | Event date: | 13.07.1989 | | Event description: | SEARCH REPORT DESPATCHED | Free Format Text: | ORIGINAL CODE: 0009013 | | Event date: | 12.09.1987 | | Event description: | PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE | Free Format Text: | ORIGINAL CODE: 0009012 | | Event date: | 18.03.1992 | | Event description: | INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT | Free Format Text: | STATUS: THE APPLICATION HAS BEEN REFUSED | |
