Extract from the Register of European Patents

EP About this file: EP0570529

EP0570529 - REFRESH CONTROL ARRANGEMENT FOR DYNAMIC RANDOM ACCESS MEMORY SYSTEM [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  21.10.2000
Database last updated on 11.04.2026
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
TM Patents L.P.
30 Rowes Wharf
Boston, MA 02110 / US
[1998/52]
Former [1993/47]For all designated states
THINKING MACHINES CORPORATION
245 First Street
Cambridge Massachusetts 02142 / US
Inventor(s)01 / NUWAYSER, Sami, H.
58 Court Street
Newton, MA 02160 / US
[1993/47]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstrasse 4
80802 München / DE
[N/P]
Former [1993/47]Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
Maximilianstrasse 58
D-80538 München / DE
Application number, filing date92907312.007.02.1992
[1993/47]
WO1992US01018
Priority number, dateUS1991065280108.02.1991         Original published format: US 652801
[1993/47]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9214251
Date:20.08.1992
Language:EN
[1992/22]
Type: A1 Application with search report 
No.:EP0570529
Date:24.11.1993
Language:EN
The application published by WIPO in one of the EPO official languages on 20.08.1992 takes the place of the publication of the European patent application.
[1993/47]
Search report(s)International search report - published on:US20.08.1992
(Supplementary) European search report - dispatched on:EP18.03.1994
ClassificationIPC:G11C7/00, G11C11/406
[2000/48]
CPC:
G11C8/18 (EP,US); G11C11/406 (EP,US)
Former IPC [1993/47]G11C7/00
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   MC,   NL,   SE [1993/47]
TitleGerman:AUFFRISCHUNGSSTEUERANORDNUNG FÜR EINEN DYNAMISCHEN DIREKTZUGRIFFSPEICHER[1993/47]
English:REFRESH CONTROL ARRANGEMENT FOR DYNAMIC RANDOM ACCESS MEMORY SYSTEM[1993/47]
French:AGENCEMENT DE COMMANDE DE REGENERATION POUR UN SYSTEME A MEMOIRE RAM DYNAMIQUE[1993/47]
Entry into regional phase06.08.1993National basic fee paid 
06.08.1993Search fee paid 
06.08.1993Designation fee(s) paid 
06.08.1993Examination fee paid 
Examination procedure04.09.1992Request for preliminary examination filed
International Preliminary Examining Authority: DE
06.08.1993Examination requested  [1993/47]
28.04.1997Despatch of a communication from the examining division (Time limit: M06)
10.11.1997Reply to a communication from the examining division
12.05.1998Despatch of communication that the application is refused, reason: substantive examination [2000/49]
10.10.2000Application refused, date of legal effect [2000/49]
Appeal following examination22.07.1998Appeal received No.  T1067/98
22.09.1998Statement of grounds filed
10.10.2000Result of appeal procedure: appeal of the applicant was rejected
10.10.2000Date of oral proceedings
12.10.2000Minutes of oral proceedings despatched
Fees paidRenewal fee
28.02.1994Renewal fee patent year 03
28.02.1995Renewal fee patent year 04
29.02.1996Renewal fee patent year 05
24.03.1997Renewal fee patent year 06
23.02.1998Renewal fee patent year 07
05.02.1999Renewal fee patent year 08
03.04.2000Renewal fee patent year 09
Penalty fee
Additional fee for renewal fee
28.02.199706   M06   Fee paid on   24.03.1997
29.02.200009   M06   Fee paid on   03.04.2000
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Documents cited:Search[XA]   GERARDIN ET AL: "Transparent Refreshing for Semiconductor Dynamic Random-Access Memory", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 16, no. 3, August 1973 (1973-08-01), NEW YORK US, pages 934 - 936 [X] 1,12 * the whole document *[A] 2
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