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EP0157001
European procedure
Extract from the Register of European Patents
EP About this file: EP0157001
| EP0157001 - Method for treating an electrolyte containing sodium nitrate at the electrochemical machining of metal work pieces [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 21.11.1989 Database last updated on 03.09.2024 | Most recent event Tooltip | 21.11.1989 | No opposition filed within time limit | published on 10.01.1990 [1990/02] | Applicant(s) | For all designated states AUDI AG 85045 Ingolstadt / DE | [N/P] |
| Former [1986/05] | For all designated states AUDI AG D-85045 Ingolstadt / DE | ||
| Former [1985/41] | For all designated states AUDI NSU AUTO UNION AKTIENGESELLSCHAFT Felix-Wankelstrasse D-7107 Neckarsulm / DE | Inventor(s) | 01 /
Ufer, Peter Paul Peisserstrasse 42 D-8070 Ingolstadt / DE | 02 /
Lindner, Horst Joachim Silesiusstrasse 1 D-7080 Ingolstadt / DE | 03 /
Heck, Klaus, Dr. Krummenauerstrasse 4 D-8070 Ingolstadt / DE | [1989/03] |
| Former [1985/41] | 01 /
Ufer, Peter Paul Peisserstrasse 42 D-8070 Ingolstadt / DE | ||
| 02 /
Lindner, Horst Joachim silesuisstrasse 1 D-7080 Ingolstadt / DE | |||
| 03 /
Heck, Klaus, Dr. Krummenauerstrasse 4 D-8070 Ingolstadt / DE | Representative(s) | le Vrang, Klaus AUDI AG Patentabteilung 85045 Ingolstadt / DE | [N/P] |
| Former [1985/41] | Le Vrang, Klaus AUDI AG, Patentabteilung D-85045 Ingolstadt / DE | Application number, filing date | 84116119.3 | 21.12.1984 | [1985/41] | Priority number, date | DE19843403703 | 03.02.1984 Original published format: DE 3403703 | [1985/41] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0157001 | Date: | 09.10.1985 | Language: | DE | [1985/41] | Type: | A3 Search report | No.: | EP0157001 | Date: | 07.01.1987 | Language: | DE | [1987/02] | Type: | B1 Patent specification | No.: | EP0157001 | Date: | 18.01.1989 | Language: | DE | [1989/03] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.11.1986 | Classification | IPC: | B23H3/10 | [1985/41] | CPC: |
B23H3/10 (EP);
C25F7/02 (EP)
| Designated contracting states | DE, FR, GB, IT, SE [1985/41] | Title | German: | Verfahren zum Behandeln von Natrium-Nitrat haltigen Elektrolyten beim elektrochemischen Bearbeiten metallischer Werkstücke | [1985/41] | English: | Method for treating an electrolyte containing sodium nitrate at the electrochemical machining of metal work pieces | [1985/41] | French: | Procédé de traitement d'électrolyte contenant du nitrate de sodium lors de l'usinage électrochimique d'une pièce métallique | [1985/41] | Examination procedure | 21.12.1984 | Examination requested [1985/41] | 04.07.1988 | Despatch of communication of intention to grant (Approval: Yes) | 25.07.1988 | Communication of intention to grant the patent | 07.10.1988 | Fee for grant paid | 07.10.1988 | Fee for publishing/printing paid | Opposition(s) | 19.10.1989 | No opposition filed within time limit [1990/02] | Fees paid | Renewal fee | 17.10.1986 | Renewal fee patent year 03 | 02.10.1987 | Renewal fee patent year 04 | 28.10.1988 | Renewal fee patent year 05 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [A]JP5808915 ; | [A]FR2309274 (FOESSEL EUGENE [FR]) | [A] - CHEMICAL ABSTRACTS, vol. 99, no. 12, September 1983, page 492, abstract no. 95815a, Columbus, Ohio, US; & JP-A-58 08 915 (MITSUBISHI ELECTRIC CORP.) 18-02-1983, & JP5808915 A 00000000 |