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EP0520299
European procedure
Extract from the Register of European Patents
EP About this file: EP0520299
| EP0520299 - Semiconductor memory device [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 21.11.1997 Database last updated on 30.03.2026 | Most recent event Tooltip | 21.11.1997 | No opposition filed within time limit | published on 07.01.1998 [1998/02] | Applicant(s) | For all designated states NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-8001 / JP | [N/P] |
| Former [1993/01] | For all designated states NEC CORPORATION 7-1, Shiba 5-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Abe, Kazuhiko, c/o NEC Corporation 7-1, Shiba 5-chome, Minato-ku Tokyo / JP | [1993/01] | Representative(s) | Glawe, Delfs, Moll Partnerschaft mbB von Patent- und Rechtsanwälten Postfach 26 01 62 80058 München / DE | [N/P] |
| Former [1993/01] | Glawe, Delfs, Moll & Partner Patentanwälte Postfach 26 01 62 D-80058 München / DE | Application number, filing date | 92110156.4 | 16.06.1992 | [1993/01] | Priority number, date | JP19910183110 | 27.06.1991 Original published format: JP 18311091 | [1993/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0520299 | Date: | 30.12.1992 | Language: | EN | [1992/53] | Type: | A3 Search report | No.: | EP0520299 | Date: | 22.03.1995 | Language: | EN | [1995/12] | Type: | B1 Patent specification | No.: | EP0520299 | Date: | 15.01.1997 | Language: | EN | [1997/03] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.02.1995 | Classification | IPC: | G11C7/00 | [1997/03] | CPC: |
G11C7/1006 (EP,US);
G11C11/40 (KR);
G11C7/1048 (EP,US)
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| Former IPC [1993/01] | G11C11/407, G11C8/00 | Designated contracting states | DE, FR, GB [1993/01] | Title | German: | Halbleiterspeicher | [1993/01] | English: | Semiconductor memory device | [1993/01] | French: | Mémoire à semi-conducteur | [1993/01] | Examination procedure | 09.02.1995 | Examination requested [1995/15] | 14.05.1996 | Despatch of communication of intention to grant (Approval: Yes) | 16.07.1996 | Communication of intention to grant the patent | 17.10.1996 | Fee for grant paid | 17.10.1996 | Fee for publishing/printing paid | Opposition(s) | 16.10.1997 | No opposition filed within time limit [1998/02] | Fees paid | Renewal fee | 17.06.1994 | Renewal fee patent year 03 | 16.06.1995 | Renewal fee patent year 04 | 20.06.1996 | Renewal fee patent year 05 |
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