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EP0468135
European procedure
Extract from the Register of European Patents
EP About this file: EP0468135
| EP0468135 - A high speed dynamic, random access memory with extended reset/precharge time [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.04.1998 Database last updated on 20.05.2024 | Most recent event Tooltip | 21.06.2002 | Lapse of the patent in a contracting state New state(s): FR | published on 07.08.2002 [2002/32] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1992/05] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Dhong, Sang Hoo 407 MacGregor Drive Mahopac, New York 10541 / US | 02 /
Hwang, Wei 3 Long Pond Road Armonk, New York 10504 / US | [1992/05] | Representative(s) | Schäfer, Wolfgang IBM Deutschland Informationssysteme GmbH Patentwesen und Urheberrecht 70548 Stuttgart / DE | [N/P] |
| Former [1994/43] | Schäfer, Wolfgang, Dipl.-Ing. IBM Deutschland Informationssysteme GmbH Patentwesen und Urheberrecht D-70548 Stuttgart / DE | ||
| Former [1992/05] | Jost, Ottokarl, Dipl.-Ing. IBM Deutschland Informationssysteme GmbH, Patentwesen und Urheberrecht D-70548 Stuttgart / DE | Application number, filing date | 91104396.6 | 21.03.1991 | [1992/05] | Priority number, date | US19900545797 | 29.06.1990 Original published format: US 545797 | [1992/05] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0468135 | Date: | 29.01.1992 | Language: | EN | [1992/05] | Type: | A3 Search report | No.: | EP0468135 | Date: | 17.08.1994 | Language: | EN | [1994/33] | Type: | B1 Patent specification | No.: | EP0468135 | Date: | 28.05.1997 | Language: | EN | [1997/22] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.07.1994 | Classification | IPC: | G11C8/00, G11C11/407, G11C11/409 | [1997/22] | CPC: |
G11C11/4072 (EP);
G11C11/4076 (EP);
G11C11/4094 (EP);
G11C8/18 (EP)
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| Former IPC [1992/05] | G11C11/401, G11C8/00 | Designated contracting states | DE, FR, GB [1992/05] | Title | German: | Dynamischer wahlfreier Speicher mit hoher Geschwindigkeit und verlängerter Rückstell-/Vorladezeit | [1992/05] | English: | A high speed dynamic, random access memory with extended reset/precharge time | [1992/05] | French: | Mémoire dynamique à accès aléatoire et à grande vitesse avec temps de relèvement/de précharge prolongé | [1992/05] | Examination procedure | 19.12.1991 | Examination requested [1992/09] | 10.01.1996 | Despatch of a communication from the examining division (Time limit: M04) | 26.04.1996 | Reply to a communication from the examining division | 10.06.1996 | Despatch of communication of intention to grant (Approval: Yes) | 18.10.1996 | Communication of intention to grant the patent | 02.12.1996 | Fee for grant paid | 02.12.1996 | Fee for publishing/printing paid | Opposition(s) | 03.03.1998 | No opposition filed within time limit [1998/21] | Fees paid | Renewal fee | 31.03.1993 | Renewal fee patent year 03 | 24.03.1994 | Renewal fee patent year 04 | 23.03.1995 | Renewal fee patent year 05 | 08.03.1996 | Renewal fee patent year 06 | 25.03.1997 | Renewal fee patent year 07 |
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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. | Lapses during opposition Tooltip | FR | 28.05.1997 | DE | 29.08.1997 | [2002/32] |
| Former [1998/03] | DE | 29.08.1997 | Documents cited: | Search | [A]US4905192 (NOGAMI) [A] 1,5; | [A]US4833656 (TOBITA) [A] 1; | [A]US4831597 (FUSE TSUNEAKI [JP]) [A] 1; | [DA]US4602356 (NOZAKI) [DA] 1 |