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EP0039593
European procedure
Extract from the Register of European Patents
EP About this file: EP0039593
| EP0039593 - A method of producing a single crystal of ferrite [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 13.07.1988 Database last updated on 16.11.2024 | Most recent event Tooltip | 13.07.1988 | No opposition filed within time limit | published on 31.08.1988 [1988/35] | Applicant(s) | For all designated states NGK INSULATORS, LTD. 2-56, Suda-cho, Mizuho-ku Nagoya-shi, Aichi 4678530 / JP | [N/P] |
| Former [1981/45] | For all designated states NGK INSULATORS, LTD. 2-56, Suda-cho, Mizuho-ku Nagoya-shi, Aichi 467 / JP | Inventor(s) | 01 /
Matsuzawa, Soichiro 1000-13, Aza-Shinden Ohaza-Rengeji Kuwana City / JP | 02 /
Mase, Syunzo 435, Aza-Motokinogo Ohaza-Tobishima-shinden Tobishima-Mura Ama-Gun Aichi Pref. / JP | [1981/45] | Representative(s) | Paget, Hugh Charles Edward, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [1984/28] | Paget, Hugh Charles Edward, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | ||
| Former [1981/45] | Whalley, Kevin MARKS & CLERK, 57-60 Lincoln's Inn Fields London WC2A 3LS / GB | Application number, filing date | 81301929.6 | 01.05.1981 | [1981/45] | Priority number, date | JP19800059167 | 02.05.1980 Original published format: JP 5916780 | [1981/45] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0039593 | Date: | 11.11.1981 | Language: | EN | [1981/45] | Type: | B1 Patent specification | No.: | EP0039593 | Date: | 16.09.1987 | Language: | EN | [1987/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.08.1981 | Classification | IPC: | C30B1/02, C30B29/26, H01F1/00 | [1981/45] | CPC: |
C30B1/02 (EP,US);
C30B29/26 (EP,US)
| Designated contracting states | DE, FR, GB, NL [1981/45] | Title | German: | Verfahren zur Herstellung eines Ferrit-Einkristalls | [1981/45] | English: | A method of producing a single crystal of ferrite | [1981/45] | French: | Méthode de fabrication d'un monocristal de ferrite | [1981/45] | Examination procedure | 12.01.1982 | Examination requested [1982/12] | 29.12.1982 | Despatch of a communication from the examining division (Time limit: M06) | 25.06.1983 | Reply to a communication from the examining division | 21.07.1983 | Despatch of a communication from the examining division (Time limit: M03) | 23.09.1983 | Reply to a communication from the examining division | 09.02.1984 | Despatch of communication that the application is refused, reason: substantive examination {1} | 01.08.1986 | Despatch of communication of intention to grant (Approval: ) | 18.03.1987 | Communication of intention to grant the patent | 02.05.1987 | Fee for grant paid | 02.05.1987 | Fee for publishing/printing paid | Appeal following examination | 31.03.1984 | Appeal received No. T0184/84 | 15.06.1984 | Statement of grounds filed | Opposition(s) | 17.06.1988 | No opposition filed within time limit [1988/35] | Fees paid | Renewal fee | 16.05.1983 | Renewal fee patent year 03 | 12.05.1984 | Renewal fee patent year 04 | 10.05.1985 | Renewal fee patent year 05 | 20.05.1986 | Renewal fee patent year 06 | 20.05.1987 | Renewal fee patent year 07 |
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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 | FR2457913 [ ] (NGK INSULATORS LTD [JP]); | US3414372 [ ] (MAX PAULUS, et al); | US3332796 [ ] (CORNELIS KOOY) | [ ] - Zeitschrift fur Angewandte Physik, Vol. 17, 1964, M. PAULUS: "Magnetische Untersuchungen aus dem 'Laboratoire de Magnetisme et de Physique du Solide", C.N.R.S. Bellevue" (S.& O.) Frankreich" pages 216-228. * pages 221,222 * |