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EP0805437
European procedure
Extract from the Register of European Patents
EP About this file: EP0805437
| EP0805437 - Reproducing circuit for a magnetic head [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.04.2000 Database last updated on 12.07.2024 | Most recent event Tooltip | 28.04.2000 | No opposition filed within time limit | published on 14.06.2000 [2000/24] | Applicant(s) | For all designated states Sony Corporation 7-35, Kitashinagawa 6-chome Shinagawa-ku Tokyo / JP | [N/P] |
| Former [1997/45] | For all designated states SONY CORPORATION 7-35, Kitashinagawa 6-chome Shinagawa-ku Tokyo / JP | Inventor(s) | 01 /
Sasaki, Yasuo c/o Sony Corporation, 7-35, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | 02 /
Fukuyama, Munekatsu c/o Sony Corporation, 7-35, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | 03 /
Kurihara, Kazuo c/o Sony Corporation, 7-35, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | [1997/45] | Representative(s) | Müller, Frithjof E. Müller Hoffmann & Partner Patentanwälte Innere Wiener Strasse 17 81667 München / DE | [N/P] |
| Former [1997/45] | Müller, Frithjof E., Dipl.-Ing. Patentanwälte MÜLLER & HOFFMANN, Innere Wiener Strasse 17 81667 München / DE | Application number, filing date | 97112553.9 | 29.10.1993 | [1997/45] | Priority number, date | JP19920293307 | 30.10.1992 Original published format: JP 29330792 | JP19930058675 | 18.03.1993 Original published format: JP 5867593 | JP19930097150 | 31.03.1993 Original published format: JP 9715093 | [1997/45] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0805437 | Date: | 05.11.1997 | Language: | EN | [1997/45] | Type: | A3 Search report | No.: | EP0805437 | Date: | 29.12.1997 | [1997/52] | Type: | B1 Patent specification | No.: | EP0805437 | Date: | 23.06.1999 | Language: | EN | [1999/25] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.11.1997 | Classification | IPC: | G11B5/02 | [1997/45] | CPC: |
G11B15/125 (EP,US);
G11B5/54 (KR);
G11B19/02 (EP,US);
G11B5/02 (EP,US);
G11B5/09 (EP,US);
H03F3/72 (EP,US);
| Designated contracting states | DE, FR, GB [1997/45] | Title | German: | Wiedergabeschaltung für einen Magnetkopf | [1997/45] | English: | Reproducing circuit for a magnetic head | [1997/45] | French: | Circuit de reproduction pour une tête magnétique | [1997/45] | Examination procedure | 22.07.1997 | Examination requested [1997/45] | 14.09.1998 | Despatch of communication of intention to grant (Approval: Yes) | 30.12.1998 | Communication of intention to grant the patent | 17.03.1999 | Fee for grant paid | 17.03.1999 | Fee for publishing/printing paid | Parent application(s) Tooltip | EP93117592.1 / EP0595350 | Opposition(s) | 24.03.2000 | No opposition filed within time limit [2000/24] | Fees paid | Renewal fee | 22.07.1997 | Renewal fee patent year 03 | 22.07.1997 | Renewal fee patent year 04 | 22.07.1997 | Renewal fee patent year 05 | 12.10.1998 | Renewal fee patent year 06 |
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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 | [A]US4020364 (KUIJK KAREL ELBERT) [A] 1 * column 2, line 32 - column 3, line 20; figure 1 *; | [A]EP0241770 (IBM [US]) [A] 1,4* column 6, line 7 - column 7, line 50; figures 5,6 *; | [A]EP0361781 (IBM [US]) [A] 1,4 * page 5, line 31 - line 39; figures 4,8,9 * * page P, line 54 - page 7, line 58 *; | [A]EP0459579 (PHILIPS NV [NL]) [A] 1 * abstract *; | [A] - "RECOVERY CIRCUIT FOR MAGNETO-RESISTIVE HEAD SWITCHING", IBM TECHNICAL DISCLOSURE BULLETIN, (19900901), vol. 33, no. 4, page 336/337, XP000106455 [A] 1 * the whole document * |