EP0022586 - Method of crown grinding gears having longitudinally curved teeth and grinding head for performing this method [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 21.01.2025 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states Werkzeugmaschinenfabrik Oerlikon-Bührle AG Birchstrasse 155 8050 Zürich / CH | [N/P] |
Former [1981/03] | For all designated states Werkzeugmaschinenfabrik Oerlikon-Bührle AG Birchstrasse 155 CH-8050 Zürich / CH | Inventor(s) | 01 /
Konersmann, Erhard, Dipl.-Ing. Grundackerstrasse 3 CH-8304 Wallisellen / CH | [1981/03] | Application number, filing date | 80200491.1 | 23.05.1980 | [1981/03] | Priority number, date | CH19790006503 | 12.07.1979 Original published format: CH 650379 | [1981/03] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0022586 | Date: | 21.01.1981 | Language: | DE | [1981/03] | Type: | B1 Patent specification | No.: | EP0022586 | Date: | 15.12.1982 | Language: | DE | [1982/50] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.11.1980 | Classification | IPC: | B23F9/02 | [1981/03] | CPC: |
B23F19/002 (EP,US);
B23F9/02 (EP,US)
| Designated contracting states | CH, DE, FR, GB, IT, LI [1981/03] | Title | German: | Verfahren zum Balligschleifen von Zahnrädern mit längsgekrümmten Zähnen und Schleifkopf zur Durchführung des Verfahrens | [1981/03] | English: | Method of crown grinding gears having longitudinally curved teeth and grinding head for performing this method | [1981/03] | French: | Procédé pour rectifier le bombé des roues dentées à dents longitudinalement courbes et meule pour la mise en oeuvre du procédé | [1981/03] | Examination procedure | 04.02.1981 | Examination requested [1981/16] | 04.01.1982 | Despatch of a communication from the examining division (Time limit: M02) | 06.02.1982 | Reply to a communication from the examining division | 10.05.1982 | Despatch of communication of intention to grant (Approval: ) | 11.06.1982 | Communication of intention to grant the patent | 16.08.1982 | Fee for grant paid | 16.08.1982 | Fee for publishing/printing paid | Opposition(s) | 15.09.1983 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 05.05.1982 | Renewal fee patent year 03 |
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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 | US3503301 [ ] (CANTRELL DAN R); | DE1752775 [ ] (KLINGELNBERG SOEHNE FERD) |