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Extract from the Register of European Patents

EP About this file: EP0232960

EP0232960 - Method for automatically extending the size of a segment in a page segmented virtual memory data processing system [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  21.12.1993
Database last updated on 17.09.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
International Business Machines Corporation
New Orchard Road
Armonk, NY 10504 / US
[N/P]
Former [1987/34]For all designated states
International Business Machines Corporation
Old Orchard Road
Armonk, N.Y. 10504 / US
Inventor(s)01 / Duvall, Keith Elliott
282 Logan Ranch
Georgetown Texas 78628 / US
02 / Hooten, Anthony Dana
2408 Creekbend Circle
Round Rock Texas 78681 / US
03 / O'Quin III, Johan Claude
76 Castle Road
Chappaqua New York 10514 / US
04 / Smith, Todd Allen
1802 Apricot Glen
Austin Texas 78746 / US
[1987/34]
Representative(s)Moss, Robert Douglas
IBM United Kingdom Limited
Intellectual Property Department
Hursley Park
Winchester
Hampshire SO21 2JN / GB
[N/P]
Former [1990/31]Moss, Robert Douglas
IBM United Kingdom Limited Intellectual Property Department Hursley Park
Winchester Hampshire SO21 2JN / GB
Former [1987/34]Grant, Iain Murray
IBM United Kingdom Limited Intellectual Property Department Hursley Park
Winchester Hampshire SO21 2JN / GB
Application number, filing date87300114.308.01.1987
[1987/34]
Priority number, dateUS1986081945616.01.1986         Original published format: US 819456
[1987/34]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0232960
Date:19.08.1987
Language:EN
[1987/34]
Type: A3 Search report 
No.:EP0232960
Date:13.06.1990
Language:EN
[1990/24]
Search report(s)(Supplementary) European search report - dispatched on:EP24.04.1990
ClassificationIPC:G06F12/08, G06F12/14, G06F9/46
[1990/23]
CPC:
G06F9/52 (EP,US); G06F12/08 (EP,US); G06F12/145 (EP,US)
Former IPC [1987/34]G06F12/14, G06F12/10
Designated contracting statesDE,   FR,   GB,   IT [1987/34]
TitleGerman:Verfahren zur automatischen Segmentlängenerweiterung in einem Datenverarbeitungssystem mit einem in Seiten aufgeteilten virtuellen Speicher[1987/34]
English:Method for automatically extending the size of a segment in a page segmented virtual memory data processing system[1987/34]
French:Méthode pour accroître automatiquement la taille d'un segment dans un système de traitement de données à mémoire virtuelle segmentée en pages[1987/34]
File destroyed:12.06.1999
Examination procedure02.12.1987Examination requested  [1988/05]
08.04.1993Despatch of a communication from the examining division (Time limit: M04)
19.08.1993Application deemed to be withdrawn, date of legal effect  [1994/06]
16.09.1993Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1994/06]
Fees paidRenewal fee
27.01.1989Renewal fee patent year 03
20.01.1990Renewal fee patent year 04
24.01.1991Renewal fee patent year 05
18.01.1992Renewal fee patent year 06
20.01.1993Renewal fee patent year 07
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Documents cited:Search[A]EP0115179  (IBM [US])
 [A]  - THE BELL SYSTEM TECHNICAL JOURNAL, vol. 62, no. 1, part 2, January 1983, pages 303-322; M.E. GRZELAKOWSKI et al.: "DMERT operating system"
 [A]  - WESCON TECHNICAL PAPERS, 30th October - 2nd November 1984, pages 1-7; K.B. WALLACE: "UNIX and the series 32000"
 [A]  - THE 8TH ANNUAL SYMPOSIUM ON COMPUTER ARCHITECTURE, Minneapolis, 12th - 14th May 1981, pages 481-493, IEEE, New York, US; W.K. GILOI et al.: "An IPC protocol and its hardware realization for a high-speed distributed multicomputer system"
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.