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Extract from the Register of European Patents

EP About this file: EP0509746

EP0509746 - Interruption circuit for use with a central processing unit [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.05.2000
Database last updated on 02.09.2024
Most recent event   Tooltip28.12.2002Lapse of the patent in a contracting state
New state(s): NL
published on 12.02.2003  [2003/07]
Applicant(s)For all designated states
NEC Corporation
7-1, Shiba 5-chome Minato-ku
Tokyo 108-8001 / JP
[N/P]
Former [1999/28]For all designated states
NEC CORPORATION
7-1, Shiba 5-chome, Minato-ku
Tokyo / JP
Former [1992/43]For all designated states
NEC CORPORATION
7-1, Shiba 5-chome Minato-ku
Tokyo / JP
Inventor(s)01 / Murai, Masao
c/o NEC Corporation, 7-1 Shiba 5-chome, Minato-ku
Tokyo 108-01 / JP
[1992/43]
Representative(s)Abnett, Richard Charles, et al
Reddie & Grose 16 Theobalds Road London
WC1X 8PL / GB
[N/P]
Former [1992/43]Abnett, Richard Charles, et al
REDDIE & GROSE 16 Theobalds Road
London WC1X 8PL / GB
Application number, filing date92303321.114.04.1992
[1992/43]
Priority number, dateJP1991010989215.04.1991         Original published format: JP 10989291
[1992/43]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0509746
Date:21.10.1992
Language:EN
[1992/43]
Type: A3 Search report 
No.:EP0509746
Date:10.02.1993
Language:EN
[1993/06]
Type: B1 Patent specification 
No.:EP0509746
Date:14.07.1999
Language:EN
[1999/28]
Search report(s)(Supplementary) European search report - dispatched on:EP21.12.1992
ClassificationIPC:G06F13/24
[1992/43]
CPC:
G06F13/24 (EP,US)
Designated contracting statesDE,   GB,   IT,   NL,   SE [1992/43]
TitleGerman:Unterbrechungsschaltung für den Gebrauch mit einer zentralen Verarbeitungseinheit[1992/43]
English:Interruption circuit for use with a central processing unit[1992/43]
French:Circuit d'interruption pour une unité centrale de traitement[1992/43]
Examination procedure05.01.1993Examination requested  [1993/10]
01.02.1996Despatch of a communication from the examining division (Time limit: M08)
13.11.1996Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
22.01.1997Reply to a communication from the examining division
02.07.1998Despatch of communication of intention to grant (Approval: No)
17.09.1998Despatch of communication of intention to grant (Approval: later approval)
13.10.1998Communication of intention to grant the patent
12.01.1999Fee for grant paid
12.01.1999Fee for publishing/printing paid
Opposition(s)15.04.2000No opposition filed within time limit [2000/26]
Request for further processing for:22.01.1997Request for further processing filed
21.01.1997Full payment received (date of receipt of payment)
Request granted
28.02.1997Decision despatched
Fees paidRenewal fee
22.04.1994Renewal fee patent year 03
27.04.1995Renewal fee patent year 04
26.04.1996Renewal fee patent year 05
29.04.1997Renewal fee patent year 06
29.04.1998Renewal fee patent year 07
14.04.1999Renewal fee patent year 08
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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  TooltipNL14.07.1999
SE14.07.1999
[2003/07]
Former [2002/23]SE14.07.1999
Documents cited:Search[X]DE3238826  (ITALTEL SPA [IT]);
 [X]US4275458  (KHERA M IBRAHIM);
 [Y]US3434111  (SCHMIDT RAYMOND A, et al)
 [Y]  - MICROPROCESSORS AND MICROSYSTEMS vol. 10, no. 5, June 1986, LONDON GB pages 258 - 267 CLEMENTS 'EXCEPTION HANDLING IN THE 68000, PART 2'
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.