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EP0443549
European procedure
Extract from the Register of European Patents
EP About this file: EP0443549
| EP0443549 - Semiconductor memory [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.04.1997 Database last updated on 16.11.2024 | Most recent event Tooltip | 04.04.1997 | No opposition filed within time limit | published on 21.05.1997 [1997/21] | Applicant(s) | For all designated states Sony Corporation 7-35, Kitashinagawa 6-chome Shinagawa-ku Tokyo / JP | [N/P] |
| Former [1991/35] | For all designated states SONY CORPORATION 7-35, Kitashinagawa 6-chome Shinagawa-ku Tokyo / JP | Inventor(s) | 01 /
Yoshihara, Ikuo, Kanagawa c/o Sony Corporation 7-35 Kitashinagawa 6-chome Shinagawa-ku Tokyo / JP | [1991/35] | Representative(s) | Schmidt-Evers, Jürgen, et al Mitscherlich PartmbB Patent- und Rechtsanwälte Postfach 33 06 09 80066 München / DE | [N/P] |
| Former [1991/35] | Schmidt-Evers, Jürgen, Dipl.-Ing., et al Patentanwälte Mitscherlich & Partner Postfach 33 06 09 D-80066 München / DE | Application number, filing date | 91102449.5 | 20.02.1991 | [1991/35] | Priority number, date | JP19900040666 | 21.02.1990 Original published format: JP 4066690 | JP19900290162 | 26.10.1990 Original published format: JP 29016290 | [1991/35] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0443549 | Date: | 28.08.1991 | Language: | EN | [1991/35] | Type: | A3 Search report | No.: | EP0443549 | Date: | 30.10.1991 | Language: | EN | [1991/44] | Type: | B1 Patent specification | No.: | EP0443549 | Date: | 29.05.1996 | Language: | EN | [1996/22] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.09.1991 | Classification | IPC: | H01L27/11 | [1991/35] | CPC: |
H10B10/125 (EP,US);
H01L27/092 (KR);
Y10S257/903 (EP,US)
| Designated contracting states | DE, FR, GB [1991/35] | Title | German: | Halbleiterspeicher | [1991/35] | English: | Semiconductor memory | [1991/35] | French: | Mémoire semi-conductrice | [1991/35] | Examination procedure | 30.04.1992 | Examination requested [1992/27] | 07.12.1993 | Despatch of a communication from the examining division (Time limit: M04) | 28.06.1994 | Despatch of a communication from the examining division (Time limit: M04) | 28.10.1994 | Reply to a communication from the examining division | 09.08.1995 | Despatch of communication of intention to grant (Approval: Yes) | 29.11.1995 | Communication of intention to grant the patent | 12.02.1996 | Fee for grant paid | 12.02.1996 | Fee for publishing/printing paid | Opposition(s) | 01.03.1997 | No opposition filed within time limit [1997/21] | Fees paid | Renewal fee | 26.02.1993 | Renewal fee patent year 03 | 25.02.1994 | Renewal fee patent year 04 | 10.02.1995 | Renewal fee patent year 05 | 08.02.1996 | Renewal fee patent year 06 |
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