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EP0257725
European procedure
Extract from the Register of European Patents
EP About this file: EP0257725
| EP0257725 - Ceramic insulator [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.04.1993 Database last updated on 30.03.2026 | Most recent event Tooltip | 17.04.1993 | No opposition filed within time limit | published on 09.06.1993 [1993/23] | Applicant(s) | For all designated states NGK INSULATORS, LTD. 2-56, Suda-cho, Mizuho-ku Nagoya-shi, Aichi 4678530 / JP | [N/P] |
| Former [1988/09] | For all designated states NGK INSULATORS, LTD. 2-56, Suda-cho, Mizuho-ku Nagoya-shi, Aichi 467 / JP | Inventor(s) | 01 /
Kunieda, Shigehiko 173-5 Goo, Yatsurugi-Cho Iwakura City Aichi Pref. / JP | 02 /
Suzuki, Toshimi 11 Aza-Mitarai Ohaza-Terajima Kira-Cho Haza-Gun Aichi Pref. / JP | [1988/09] | Representative(s) | Paget, Hugh Charles Edward, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [1988/09] | Paget, Hugh Charles Edward, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 87301878.2 | 04.03.1987 | [1988/09] | Priority number, date | JP19860204948 | 29.08.1986 Original published format: JP 20494886 | [1988/09] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0257725 | Date: | 02.03.1988 | Language: | EN | [1988/09] | Type: | A3 Search report | No.: | EP0257725 | Date: | 07.06.1989 | Language: | EN | [1989/23] | Type: | B1 Patent specification | No.: | EP0257725 | Date: | 17.06.1992 | Language: | EN | [1992/25] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.04.1989 | Classification | IPC: | H01B17/42 | [1988/09] | CPC: |
H01B17/42 (EP,US);
H01B17/14 (EP,US)
| Designated contracting states | CH, DE, FR, GB, LI, SE [1988/09] | Title | German: | Keramischer Isolator | [1988/09] | English: | Ceramic insulator | [1988/09] | French: | Isolateur en céramique | [1988/09] | Examination procedure | 06.11.1989 | Examination requested [1990/01] | 27.07.1990 | Despatch of a communication from the examining division (Time limit: M06) | 14.12.1990 | Reply to a communication from the examining division | 29.01.1991 | Despatch of a communication from the examining division (Time limit: M04) | 01.06.1991 | Reply to a communication from the examining division | 02.08.1991 | Despatch of communication of intention to grant (Approval: Yes) | 18.12.1991 | Communication of intention to grant the patent | 02.03.1992 | Fee for grant paid | 02.03.1992 | Fee for publishing/printing paid | Opposition(s) | 18.03.1993 | No opposition filed within time limit [1993/23] | Fees paid | Renewal fee | 23.03.1989 | Renewal fee patent year 03 | 19.03.1990 | Renewal fee patent year 04 | 26.03.1991 | Renewal fee patent year 05 | 23.03.1992 | Renewal fee patent year 06 |
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