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EP0250930
European procedure
Extract from the Register of European Patents
EP About this file: EP0250930
| EP0250930 - Multiple ROM data state, read/write memory cell [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.06.1993 Database last updated on 08.04.2026 | Most recent event Tooltip | 26.06.1993 | No opposition filed within time limit | published on 18.08.1993 [1993/33] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1988/01] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Bertin, Claude Louis 33 Pheasant Way South Burlington Vermont 05401 / US | 02 /
Kotecha, Harish Narandas 9301 Trusler Court Manassas Virginia 22110 / US | [1988/01] | Representative(s) | Herzog, Friedrich Joachim Birkenstrasse 77 71155 Altdorf / DE | [N/P] |
| Former [1991/38] | Herzog, Friedrich Joachim, Dipl.-Ing. Birkenstrasse 77 D-71155 Altdorf / DE | ||
| Former [1988/01] | Mönig, Anton, Dipl.-Ing. IBM Deutschland Informationssysteme GmbH, Patentwesen und Urheberrecht D-70548 Stuttgart / DE | Application number, filing date | 87108175.8 | 05.06.1987 | [1988/01] | Priority number, date | US19860880967 | 01.07.1986 Original published format: US 880967 | [1988/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0250930 | Date: | 07.01.1988 | Language: | EN | [1988/01] | Type: | A3 Search report | No.: | EP0250930 | Date: | 23.11.1989 | Language: | EN | [1989/47] | Type: | B1 Patent specification | No.: | EP0250930 | Date: | 26.08.1992 | Language: | EN | [1992/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.10.1989 | Classification | IPC: | G11C11/56 | [1988/01] | CPC: |
G11C11/56 (EP,US);
G11C11/5692 (EP,US);
G11C16/08 (EP,US);
G11C16/24 (EP,US);
G11C7/18 (EP,US);
G11C8/14 (EP,US)
| Designated contracting states | DE, FR, GB [1988/01] | Title | German: | ROM-Datenspeicherzelle mit einem mehrfachen Zustand | [1988/01] | English: | Multiple ROM data state, read/write memory cell | [1988/01] | French: | Cellule de mémoire à écriture/lecture d'information ROM à état multiple | [1988/01] | Examination procedure | 30.05.1988 | Examination requested [1988/31] | 30.04.1991 | Despatch of a communication from the examining division (Time limit: M04) | 23.07.1991 | Reply to a communication from the examining division | 23.08.1991 | Despatch of communication of intention to grant (Approval: Yes) | 06.12.1991 | Communication of intention to grant the patent | 28.01.1992 | Fee for grant paid | 28.01.1992 | Fee for publishing/printing paid | Opposition(s) | 27.05.1993 | No opposition filed within time limit [1993/33] | Fees paid | Renewal fee | 27.06.1989 | Renewal fee patent year 03 | 25.06.1990 | Renewal fee patent year 04 | 21.06.1991 | Renewal fee patent year 05 | 19.06.1992 | 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] JP54146935 | [A] PATENT ABSTRACTS OF JAPAN, vol. 4, no. 5 (E-165), 16th January 1980, page 122 E 165; & JP-A-54 146 935 (NIPPON DENKI K.K.) 16-11-1979 |