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EP0137134
European procedure
Extract from the Register of European Patents
EP About this file: EP0137134
| EP0137134 - A magnetic head having a non-magnetic substrate [Right-click to bookmark this link] | |||
| Former [1985/16] | A magnetic head having a non-magnetic substrate and a ceramic material for the substrate | ||
| [1989/19] | Status | No opposition filed within time limit Status updated on 12.03.1990 Database last updated on 06.07.2024 | Most recent event Tooltip | 12.03.1990 | No opposition filed within time limit | published on 02.05.1990 [1990/18] | Applicant(s) | For all designated states HITACHI METALS, LTD. 1-2, Marunouchi 2-chome Chiyoda-ku Tokyo 100 / JP | [1985/16] | Inventor(s) | 01 /
Yamada, Hirohide 423-7 Hiramatsu-Honcho Utsunomiya Tochigi / JP | 02 /
Koike, Yoshiharu Hitachi Wakyo-Ryo E-201 600 Jurokken Kumagaya Saitama / JP | [1985/16] | Representative(s) | Strehl, Peter, et al Patentanwälte Strehl Schübel-Hopf & Partner Maximilianstrasse 54 80538 München / DE | [N/P] |
| Former [1985/16] | Strehl, Peter, Dipl.-Ing., et al Patentanwälte Strehl Schübel-Hopf Groening u. Partner Postfach 22 14 55 D-80504 München / DE | Application number, filing date | 84107935.3 | 06.07.1984 | [1985/16] | Priority number, date | JP19830174739 | 21.09.1983 Original published format: JP 17473983 | JP19830185496 | 04.10.1983 Original published format: JP 18549683 | JP19840073653 | 12.04.1984 Original published format: JP 7365384 | JP19840073654 | 12.04.1984 Original published format: JP 7365484 | [1985/16] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0137134 | Date: | 17.04.1985 | Language: | EN | [1985/16] | Type: | B1 Patent specification | No.: | EP0137134 | Date: | 10.05.1989 | Language: | EN | [1989/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 01.02.1985 | Classification | IPC: | G11B5/60 | [1985/16] | CPC: |
G11B5/6005 (EP);
C04B35/486 (EP);
C04B35/488 (EP);
C04B35/4885 (EP);
C04B35/645 (EP);
G11B5/10 (EP);
G11B5/1871 (EP)
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| Designated contracting states | DE, GB, NL [1985/16] | Title | German: | Magnetkopf mit unmagnetischem Substrat | [1989/19] | English: | A magnetic head having a non-magnetic substrate | [1989/19] | French: | Tête magnétique à substrat non magnétique | [1989/19] |
| Former [1985/24] | Magnetkopf mit unmagnetischem Substrat und Keramikmaterial für das Substrat | ||
| Former [1985/16] | A magnetic head having a non-magnetic substrate and a ceramic material for the substrate | ||
| Former [1985/24] | Tête magnétique à substrat non magnétique et matériel céramique pour ce substrat | Examination procedure | 24.05.1985 | Examination requested [1985/32] | 10.10.1986 | Despatch of a communication from the examining division (Time limit: M04) | 20.02.1987 | Reply to a communication from the examining division | 30.03.1987 | Despatch of a communication from the examining division (Time limit: M04) | 10.08.1987 | Reply to a communication from the examining division | 31.05.1988 | Despatch of communication of intention to grant (Approval: No) | 11.10.1988 | Despatch of communication of intention to grant (Approval: later approval) | 02.11.1988 | Communication of intention to grant the patent | 30.01.1989 | Fee for grant paid | 30.01.1989 | Fee for publishing/printing paid | Opposition(s) | 13.02.1990 | No opposition filed within time limit [1990/18] | Fees paid | Renewal fee | 29.07.1986 | Renewal fee patent year 03 | 29.07.1987 | Renewal fee patent year 04 | 29.07.1988 | 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 | EP0019693 [ ]; | DE2732088 [ ]; | DE2002510 [ ]; | US4285019 [ ] | Examination | EP0142781 | EP0036786 | JPS58121179 |