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EP0225781
European procedure
Extract from the Register of European Patents
EP About this file: EP0225781
| EP0225781 - High thermal expansion coefficient ceramic sinter and a composite body of the same and metal [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.07.1992 Database last updated on 09.09.2024 | Most recent event Tooltip | 23.07.1992 | No opposition filed within time limit | published on 09.09.1992 [1992/37] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo 101 / JP | [N/P] |
| Former [1987/25] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 / JP | Inventor(s) | 01 /
Tanaka, Akira Yuhou-ryo 32 20-3 Ayukawa 6-chome Hitachi-shi Ibaraki 316 / JP | 02 /
Miyoshi, Tadahiko 26-9 Mikanohara-cho 2-chome Hitachi-shi Ibaraki 316 / JP | [1987/25] | Representative(s) | Stuart, Ian Alexander, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [1987/25] | Stuart, Ian Alexander, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 86309404.1 | 03.12.1986 | [1987/25] | Priority number, date | JP19850273262 | 06.12.1985 Original published format: JP 27326285 | JP19860020126 | 03.02.1986 Original published format: JP 2012686 | [1987/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0225781 | Date: | 16.06.1987 | Language: | EN | [1987/25] | Type: | A3 Search report | No.: | EP0225781 | Date: | 20.07.1988 | Language: | EN | [1988/29] | Type: | B1 Patent specification | No.: | EP0225781 | Date: | 18.09.1991 | Language: | EN | [1991/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 31.05.1988 | Classification | IPC: | C04B35/00, C04B35/04, C04B35/10, C04B35/26, C04B35/46, C04B35/48, C04B37/02 | [1987/25] | CPC: |
C04B37/025 (EP,US);
C04B35/00 (KR);
C04B35/111 (EP,US);
C04B35/4682 (EP,US);
C04B35/488 (EP,US);
C04B35/553 (EP,US);
C04B37/021 (EP,US);
C04B2235/6582 (EP,US);
C04B2237/06 (EP,US);
C04B2237/062 (EP,US);
C04B2237/064 (EP,US);
C04B2237/068 (EP,US);
C04B2237/34 (EP,US);
C04B2237/341 (EP,US);
C04B2237/343 (EP,US);
C04B2237/346 (EP,US);
C04B2237/348 (EP,US);
C04B2237/365 (EP,US);
C04B2237/368 (EP,US);
C04B2237/402 (EP,US);
C04B2237/405 (EP,US);
| Designated contracting states | DE, FR, GB, SE [1987/25] | Title | German: | Keramiksinter mit hohem Wärmeausdehnungskoeffizient und ein Verbundkörper aus demselben und Metall | [1987/25] | English: | High thermal expansion coefficient ceramic sinter and a composite body of the same and metal | [1987/25] | French: | Fritte céramique ayant un haut coefficient de dilatation thermique et un corps composite du même matériau et du métal | [1987/25] | Examination procedure | 22.01.1987 | Examination requested [1987/25] | 29.06.1990 | Despatch of a communication from the examining division (Time limit: M04) | 09.08.1990 | Reply to a communication from the examining division | 28.12.1990 | Despatch of communication of intention to grant (Approval: Yes) | 15.03.1991 | Communication of intention to grant the patent | 31.05.1991 | Fee for grant paid | 31.05.1991 | Fee for publishing/printing paid | Opposition(s) | 20.06.1992 | No opposition filed within time limit [1992/37] | Fees paid | Renewal fee | 19.12.1988 | Renewal fee patent year 03 | 22.12.1989 | Renewal fee patent year 04 | 13.12.1990 | 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 | [X]US3862846 (SMOAK RICHARD H, et al); | [A]US2899321 ; | [A]US3753911 (WALKER B, et al); | [A]GB1171756 (PHILIPS ELECTRONIC ASSOCIATED [GB]); | [A]DE2322255 |