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EP0064043
European procedure
Extract from the Register of European Patents
EP About this file: EP0064043
| EP0064043 - Method for producing diamond compact [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 06.05.1988 Database last updated on 01.04.2026 | Most recent event Tooltip | 07.03.1997 | Lapse of the patent in a contracting state | published on 23.04.1997 [1997/17] | Applicant(s) | For all designated states Ishizuka, Hiroshi 19-2, Ebara 6-chome Shinagawa-ku Tokyo 142 / JP | [N/P] |
| Former [1982/44] | For all designated states Ishizuka, Hiroshi 19-2, Ebara 6-chome Shinagawa-ku Tokyo / JP | Inventor(s) | 01 /
see applicant ... | [1982/44] | Representative(s) | Nordén, J. Ake, et al Stockholms Patentbyra Zacco AB Box 23101 104 35 Stockholm / SE | [N/P] |
| Former [1984/50] | Nordén, Ake, et al Oscar Grahn Patentbyra AB Box 19540 S-104 32 Stockholm / SE | ||
| Former [1982/44] | Bernhult, Lennart W Geralf Patentbyra AB Kungsgatan 33 S-111 56 Stockholm / SE | Application number, filing date | 82850083.5 | 21.04.1982 | [1982/44] | Priority number, date | JP19810061271 | 24.04.1981 Original published format: JP 6127181 | [1982/44] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0064043 | Date: | 03.11.1982 | Language: | EN | [1982/44] | Type: | A3 Search report | No.: | EP0064043 | Date: | 30.03.1983 | Language: | EN | [1983/13] | Type: | B1 Patent specification | No.: | EP0064043 | Date: | 08.07.1987 | Language: | EN | [1987/28] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.01.1983 | Classification | IPC: | B22F3/26, C04B35/52, C04B41/04 | [1983/10] | CPC: |
B22F3/26 (EP,KR,US);
C04B35/52 (KR);
B01J3/062 (EP,US);
C22C26/00 (EP,US);
B01J2203/062 (EP,US);
B01J2203/0655 (EP,US);
B01J2203/0685 (EP,US)
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| Former IPC [1982/44] | B22F3/26, C04B35/52 | Designated contracting states | AT, BE, DE, FR, GB, IT, NL, SE [1982/44] | Title | German: | Verfahren zur Herstellung von Diamant-Formkörpern | [1982/44] | English: | Method for producing diamond compact | [1982/44] | French: | Procédé de fabrication de corps compacts de diamant | [1982/44] | Examination procedure | 27.09.1983 | Examination requested [1983/51] | 18.12.1984 | Despatch of a communication from the examining division (Time limit: M06) | 30.05.1985 | Reply to a communication from the examining division | 22.08.1985 | Despatch of a communication from the examining division (Time limit: M04) | 20.12.1985 | Reply to a communication from the examining division | 11.02.1986 | Despatch of a communication from the examining division (Time limit: M02) | 04.04.1986 | Reply to a communication from the examining division | 26.06.1986 | Despatch of communication of intention to grant (Approval: ) | 08.10.1986 | Communication of intention to grant the patent | 20.11.1986 | Fee for grant paid | 20.11.1986 | Fee for publishing/printing paid | Opposition(s) | 09.04.1988 | No opposition filed within time limit [1988/25] | Fees paid | Renewal fee | 08.03.1984 | Renewal fee patent year 03 | 02.03.1985 | Renewal fee patent year 04 | 29.04.1986 | Renewal fee patent year 05 | 13.04.1987 | Renewal fee patent year 06 |
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