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EP0107511
European procedure
Extract from the Register of European Patents
EP About this file: EP0107511
| EP0107511 - Electroconductive ceramics [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 18.11.1988 Database last updated on 13.11.2024 | Most recent event Tooltip | 31.07.2009 | Change - representative | published on 02.09.2009 [2009/36] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo / JP | [N/P] |
| Former [1984/18] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Matsushita, Yasuo Corpo. Tatenuma 304-go 2-15 Jonancho-2-chome Hitachi-shi / JP | 02 /
Nakamura, Kousuko 1-39 Ishinazakacho-1-chome Hitachi-shi / JP | 03 /
Kosugi, Tetuo 2478-8 Ishigamiuchijuku Tokaimura Naka-gun Ibaraki-ken / JP | [1984/18] | Representative(s) | Calderbank, Thomas Roger, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [2009/36] | Calderbank, Thomas Roger, et al Mewburn Ellis LLP 33 Gutter Lane London EC2V 8AS / GB | ||
| Former [1984/18] | Calderbank, Thomas Roger, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 83306508.9 | 26.10.1983 | [1984/18] | Priority number, date | JP19820187598 | 27.10.1982 Original published format: JP 18759882 | [1984/18] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0107511 | Date: | 02.05.1984 | Language: | EN | [1984/18] | Type: | B1 Patent specification | No.: | EP0107511 | Date: | 20.01.1988 | Language: | EN | [1988/03] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.02.1984 | Classification | IPC: | H01B1/14, C04B35/10, // F23Q7/00, H05B3/14 | [1984/18] | CPC: |
C04B35/58 (EP,US);
H01B1/14 (EP,KR,US);
C04B35/10 (KR);
C04B35/111 (EP,US);
C04B35/56 (EP,US);
C04B35/5607 (EP,US);
C04B35/5611 (EP,US);
C04B35/5622 (EP,US);
C04B35/58014 (EP,US);
C04B35/58028 (EP,US);
C04B35/58064 (EP,US);
C04B35/58071 (EP,US);
C04B35/645 (EP,US);
F23Q7/22 (EP,US);
H01C7/022 (EP,US);
H05B3/141 (EP,US)
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| Designated contracting states | DE, GB [1984/18] | Title | German: | Elektrisch leitfähige Keramik | [1984/18] | English: | Electroconductive ceramics | [1984/18] | French: | Céramique conductrice d'électricité | [1984/18] | File destroyed: | 12.06.1999 | Examination procedure | 10.12.1983 | Examination requested [1984/18] | 20.05.1985 | Despatch of a communication from the examining division (Time limit: M06) | 23.11.1985 | Reply to a communication from the examining division | 31.01.1986 | Despatch of a communication from the examining division (Time limit: M04) | 04.06.1986 | Reply to a communication from the examining division | 13.01.1987 | Despatch of communication of intention to grant (Approval: ) | 28.04.1987 | Communication of intention to grant the patent | 13.06.1987 | Fee for grant paid | 13.06.1987 | Fee for publishing/printing paid | Opposition(s) | 21.10.1988 | No opposition filed within time limit [1989/01] | Fees paid | Renewal fee | 19.10.1985 | Renewal fee patent year 03 | 22.10.1986 | Renewal fee patent year 04 | 22.10.1987 | 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 | US3027332 [ ] (JOACHIM MEDIN KARL HERBERT); | DE3027401 [ ] (NGK SPARK PLUG CO); | GB834739 [ ] (KANTHAL AB); | EP0026750 [ ] (SANDVIK AB [SE]) |