-
EP0520425
European procedure
Extract from the Register of European Patents
EP About this file: EP0520425
| EP0520425 - Semiconductor memory device [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.01.1999 Database last updated on 18.10.2024 | Most recent event Tooltip | 08.01.1999 | No opposition filed within time limit | published on 24.02.1999 [1999/08] | 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 /
Kogure, Kanari c/o NEC Corporation, 7-1, Shiba 5-chome Minato-ku, Tokyo / JP | [1993/01] | Representative(s) | Vossius & Partner Patentanwälte Rechtsanwälte mbB Siebertstrasse 3 81675 München / DE | [N/P] |
| Former [1993/01] | VOSSIUS & PARTNER Postfach 86 07 67 D-81634 München / DE | Application number, filing date | 92110672.0 | 25.06.1992 | [1993/01] | Priority number, date | JP19910183667 | 27.06.1991 Original published format: JP 18366791 | [1993/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0520425 | Date: | 30.12.1992 | Language: | EN | [1992/53] | Type: | A3 Search report | No.: | EP0520425 | Date: | 22.03.1995 | Language: | EN | [1995/12] | Type: | B1 Patent specification | No.: | EP0520425 | Date: | 04.03.1998 | Language: | EN | [1998/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.02.1995 | Classification | IPC: | G06F12/04, G06F13/40, G11C8/00 | [1998/10] | CPC: |
G06F13/4018 (EP,US);
G06F12/04 (EP,US);
G11C8/16 (EP,US)
|
| Former IPC [1993/01] | G11C11/409, G06F12/00 | 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 | 10.02.1995 | Examination requested [1995/15] | 24.04.1996 | Despatch of a communication from the examining division (Time limit: M06) | 04.11.1996 | Reply to a communication from the examining division | 17.02.1997 | Despatch of communication of intention to grant (Approval: No) | 27.08.1997 | Despatch of communication of intention to grant (Approval: later approval) | 08.09.1997 | Communication of intention to grant the patent | 06.11.1997 | Fee for grant paid | 06.11.1997 | Fee for publishing/printing paid | Opposition(s) | 05.12.1998 | No opposition filed within time limit [1999/08] | Fees paid | Renewal fee | 30.06.1994 | Renewal fee patent year 03 | 29.06.1995 | Renewal fee patent year 04 | 27.06.1996 | Renewal fee patent year 05 | 27.06.1997 | Renewal fee patent year 06 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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]EP0374829 (BULL HN INFORMATION SYST [US]) [A] 1-4; | [A]EP0375194 (ADVANCED MICRO DEVICES INC [US]) [A] 1-4; | [A]US4893279 (RAHMAN MAHBOOB F [US], et al) [A] 1-4; | [A]US4616310 (DILL FREDERICK H [US], et al) [A] 1-4; | [A]US4912680 (MASAKI YASUO [JP], et al) [A] 1; | [PA]EP0434852 (IBM [US]) [PA] 1 |