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EP0131134
European procedure
Extract from the Register of European Patents
EP About this file: EP0131134
| EP0131134 - Form-grinding process and apparatus for the spark-erosive machining of work pieces [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.08.1989 Database last updated on 15.06.2024 | Most recent event Tooltip | 26.04.2002 | Lapse of the patent in a contracting state New state(s): FR | published on 12.06.2002 [2002/24] | Applicant(s) | For all designated states AEG - Elotherm GmbH Hammesberger Strasse 31 D-42855 Remscheid / DE | [1985/03] | Inventor(s) | 01 /
Gosger, Peter, Ing. grad. Westhausener Strasse 3 D-5650 Solingen 25 / DE | 02 /
Stengel, Edgar Erdelenstrasse 35 D-5630 Remscheid / DE | 03 /
Fey, Franz-Josef, Ing. grad. Reinshagener Strasse 117 D-5630 Remscheid / DE | [1985/03] | Representative(s) | Cohausz & Florack Patent- & Rechtsanwälte Partnerschaftsgesellschaft mbB Bleichstrasse 14 40211 Düsseldorf / DE | [N/P] |
| Former [1985/03] | Cohausz & Florack Patentanwälte Postfach 33 02 29 D-40435 Düsseldorf / DE | Application number, filing date | 84106247.4 | 01.06.1984 | [1985/03] | Priority number, date | DE19833320129 | 03.06.1983 Original published format: DE 3320129 | [1985/03] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0131134 | Date: | 16.01.1985 | Language: | DE | [1985/03] | Type: | A3 Search report | No.: | EP0131134 | Date: | 26.03.1986 | Language: | DE | [1986/13] | Type: | B1 Patent specification | No.: | EP0131134 | Date: | 05.10.1988 | Language: | DE | [1988/40] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.02.1986 | Classification | IPC: | B24B35/00 | [1985/03] | CPC: |
B24B35/005 (EP);
B23H7/28 (EP);
B23Q1/4809 (EP);
B23Q1/5468 (EP);
B23Q1/621 (EP)
| Designated contracting states | CH, DE, FR, GB, IT, LI, NL, SE [1985/03] | Title | German: | Verfahren und Maschine zum Formschleifen für die funkenerosive Bearbeitung von Werkstücken | [1985/03] | English: | Form-grinding process and apparatus for the spark-erosive machining of work pieces | [1985/03] | French: | Procédé et machine de mise en forme pour le traitement érosif à étincelles de pièces d'usinage | [1985/03] | Examination procedure | 30.06.1986 | Examination requested [1986/36] | 04.02.1987 | Despatch of a communication from the examining division (Time limit: M06) | 05.08.1987 | Reply to a communication from the examining division | 05.10.1987 | Despatch of a communication from the examining division (Time limit: M04) | 06.01.1988 | Reply to a communication from the examining division | 08.02.1988 | Despatch of communication of intention to grant (Approval: Yes) | 08.04.1988 | Communication of intention to grant the patent | 30.04.1988 | Fee for grant paid | 30.04.1988 | Fee for publishing/printing paid | Opposition(s) | 06.07.1989 | No opposition filed within time limit [1989/38] | Fees paid | Renewal fee | 23.05.1986 | Renewal fee patent year 03 | 22.05.1987 | Renewal fee patent year 04 | 26.05.1988 | 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. | Lapses during opposition Tooltip | FR | 05.10.1988 | GB | 05.10.1988 | NL | 05.10.1988 | SE | 05.10.1988 | [2002/24] |
| Former [2000/03] | GB | 05.10.1988 | |
| NL | 05.10.1988 | ||
| SE | 05.10.1988 | ||
| Former [1989/41] | NL | 05.10.1988 | |
| SE | 05.10.1988 | ||
| Former [1989/24] | SE | 05.10.1988 | Documents cited: | Search | [AD]CH569550 (GRAFON CORP); | [A]DE2603614 (TRIANGLE TOOL CO); | [A]DE2827543 (LOHSE SIEGFRIED); | [A]DE2649570 (PFAFFENBERGER HANS PIUS) | [A] - WERKSTATT UND BETRIEB, Band 115, Nr. 10, 1982, Seiten 663-666, München; H.C. HAUSERMANN "Formschleifen - Alternative für EDM - Gratitelektroden" |