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EP0420247
European procedure
Extract from the Register of European Patents
EP About this file: EP0420247
| EP0420247 - Magnetic tape cassette [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.04.1996 Database last updated on 09.04.2026 | Most recent event Tooltip | 12.04.1996 | No opposition filed within time limit | published on 29.05.1996 [1996/22] | Applicant(s) | For all designated states Sony Corporation 7-35 Kitashinagawa 6-chome Shinagawa-ku Tokyo 141 / JP | [N/P] |
| Former [1991/14] | For all designated states SONY CORPORATION 7-35 Kitashinagawa 6-chome Shinagawa-ku Tokyo 141 / JP | Inventor(s) | 01 /
Sugiyama, Masanobu, Sony Magnetic Products, Inc. 5-6, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | 02 /
Meguro, Hiroshi, c/o Sony Magnetic Products, Inc. 5-6, Kitashinagawa 6-chome Shinagawa-ku, Tokyo / JP | [1991/14] | Representative(s) | Ter Meer Steinmeister & Partner Patentanwälte mbB Nymphenburger Strasse 4 80335 München / DE | [N/P] |
| Former [1991/14] | TER MEER - MÜLLER - STEINMEISTER & PARTNER Mauerkircherstrasse 45 D-81679 München / DE | Application number, filing date | 90118580.1 | 27.09.1990 | [1991/14] | Priority number, date | JP19890114463 | 29.09.1989 Original published format: JP 11446389 | [1991/14] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0420247 | Date: | 03.04.1991 | Language: | EN | [1991/14] | Type: | A3 Search report | No.: | EP0420247 | Date: | 08.01.1992 | Language: | EN | [1992/02] | Type: | B1 Patent specification | No.: | EP0420247 | Date: | 07.06.1995 | Language: | EN | [1995/23] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 15.11.1991 | Classification | IPC: | G11B23/087 | [1991/14] | CPC: |
G11B23/08721 (EP,US);
G11B23/08735 (EP,US)
| Designated contracting states | CH, DE, FR, GB, IT, LI [1991/14] | Title | German: | Magnetbandkassette | [1991/14] | English: | Magnetic tape cassette | [1991/14] | French: | Cassette à bande magnétique | [1991/14] | Examination procedure | 20.12.1990 | Examination requested [1991/14] | 03.08.1994 | Despatch of communication of intention to grant (Approval: Yes) | 05.12.1994 | Communication of intention to grant the patent | 02.03.1995 | Fee for grant paid | 02.03.1995 | Fee for publishing/printing paid | Opposition(s) | 08.03.1996 | No opposition filed within time limit [1996/22] | Fees paid | Renewal fee | 16.09.1992 | Renewal fee patent year 03 | 14.09.1993 | Renewal fee patent year 04 | 08.09.1994 | Renewal fee patent year 05 |
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