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EP0034311
European procedure
Extract from the Register of European Patents
EP About this file: EP0034311
| EP0034311 - Device for electrical discharge machining [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.09.1985 Database last updated on 24.08.2024 | Most recent event Tooltip | 12.11.1999 | Lapse of the patent in a contracting state | published on 29.12.1999 [1999/52] | Applicant(s) | For all designated states Erowa AG Winkelstrasse 8 5734 Reinach / CH | [N/P] |
| Former [1981/34] | For all designated states Erowa AG Winkelstrasse 8 CH-5734 Reinach / CH | Inventor(s) | 01 /
Liechti, Niklaus Sandgasse 5 CH-5734 Reinach / CH | 02 /
Schneider, Rudolf Gondiswinkel CH-5734 Reinach / CH | [1981/34] | Representative(s) | Rottmann, Maximilian Hug Interlizenz AG Alte Zürcherstrasse 49 8903 Birmensdorf/ZH / CH | [N/P] |
| Former [1983/06] | Rottmann, Maximilian R. Hug Interlizenz AG Alte Zürcherstrasse 49 CH-8903 Birmensdorf/ZH / CH | ||
| Former [1981/34] | Fiedler, Otto Karl, Dipl.-Ing. Patentanwalt Freistrasse 2 CH-8200 Schaffhausen / CH | Application number, filing date | 81100840.8 | 06.02.1981 | [1981/34] | Priority number, date | CH19800001184 | 13.02.1980 Original published format: CH 118480 | [1981/34] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0034311 | Date: | 26.08.1981 | Language: | DE | [1981/34] | Type: | A3 Search report | No.: | EP0034311 | Date: | 22.09.1982 | Language: | DE | [1982/38] | Type: | B1 Patent specification | No.: | EP0034311 | Date: | 21.11.1984 | Language: | DE | [1984/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.07.1982 | Classification | IPC: | B23P1/12 | [1981/34] | CPC: |
B23H7/28 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1981/34] | Title | German: | Elektroerosive Bearbeitungseinrichtung | [1981/34] | English: | Device for electrical discharge machining | [1981/34] | French: | Dispositif d'usinage par électroérosion | [1981/34] | Examination procedure | 06.10.1981 | Examination requested [1981/51] | 09.08.1983 | Despatch of a communication from the examining division (Time limit: M04) | 10.12.1983 | Reply to a communication from the examining division | 27.02.1984 | Despatch of communication of intention to grant (Approval: ) | 07.05.1984 | Communication of intention to grant the patent | 12.06.1984 | Fee for grant paid | 12.06.1984 | Fee for publishing/printing paid | Opposition(s) | 22.08.1985 | No opposition filed within time limit [1985/48] | Fees paid | Renewal fee | 18.01.1983 | Renewal fee patent year 03 | 16.01.1984 | Renewal fee patent year 04 |
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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 | LU | 28.02.1985 | [1999/52] | Documents cited: | Search | [A]DE2410335 (DROOP & REIN); | [A]FR2374998 (CHARMILLES SA ATELIERS [CH]) |