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Extract from the Register of European Patents

EP About this file: EP0489861

EP0489861 - OPERATING SYSTEM AND DATA BASE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.05.1998
Database last updated on 24.08.2024
Most recent event   Tooltip07.12.2007Lapse of the patent in a contracting state
New state(s): NL		published on 09.01.2008  [2008/02]
Applicant(s)For all designated states
AMDAHL CORPORATION
1250 East Arques Avenue
Sunnyvale, CA 94088 / US
[1992/25]
Inventor(s)01 / KNUDSEN, Helge
489 Brookmill Road
Oakville, Ontario L5J 5K6 / CA
02 / CHONG, Daniel, T.
2 Frankie Lane
Woodbridge, Ontario L4L 7J6 / CA
03 / YAFFE, John
1700 The collegeway, Number 902
Mississauga, Ontario L5L 4M2 / CA
04 / TAUGHER, James, E.
6550 Glen Erin Drive, Number 604
Mississauga, Ontario L5N 3S1 / CA
05 / ROBERTSON, Michael
715-6500 Montevideo Road
Mississauga, Ontario L5N 3T6 / CA
06 / PLAZAK, Zbigniew
70 Glen Agar
Etobicoke, Ontario M9B 5M1 / CA
[1992/25]
Representative(s)Crawford, Andrew Birkby
A.A. Thornton & Co. 235 High Holborn
London WC1V 7LE / GB
[N/P]
Former [1992/25]Crawford, Andrew Birkby
A.A. THORNTON & CO. Northumberland House 303-306 High Holborn
London WC1V 7LE / GB
Application number, filing date90914340.604.09.1990
[1992/25]
WO1990US05007
Priority number, dateUS1989040286201.09.1989         Original published format: US 402862
US1989045029813.12.1989         Original published format: US 450298
[1992/25]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9103791
Date:21.03.1991
Language:EN
[1991/07]
Type: A1 Application with search report 
No.:EP0489861
Date:17.06.1992
Language:EN
The application published by WIPO in one of the EPO official languages on 21.03.1991 takes the place of the publication of the European patent application.
[1992/25]
Type: B1 Patent specification 
No.:EP0489861
Date:09.07.1997
Language:EN
[1997/28]
Search report(s)International search report - published on:US21.03.1991
(Supplementary) European search report - dispatched on:EP16.06.1993
ClassificationIPC:G06F9/44, G06F17/30
[1997/28]
CPC:
G06F8/31 (EP,US); G06F16/902 (EP,US); G06F8/41 (EP,US);
Y10S707/99931 (US); Y10S707/99932 (US)
Former IPC [1993/31]G06F15/40, G06F9/44
Former IPC [1992/25]G06F15/40
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1992/25]
TitleGerman:BETRIEBSSYSTEM UND DATENBANK[1992/25]
English:OPERATING SYSTEM AND DATA BASE[1992/25]
French:SYSTEME D'EXPLOITATION ET BASE DE DONNEES[1992/25]
MiscellaneousEPB 1997/28: (deleted)
EPB 1997/28: (deleted)
EPB 1997/28: (deleted)
EPB 1994/03: Teilanmeldung 93203195.8 eingereicht am 04/09/90
EPB 1994/03: Divisional application 93203195.8 filed on 04/09/90
EPB 1994/03: Demande divisionnaire 93203195.8 déposée le 04/09/90
Entry into regional phase06.03.1992National basic fee paid 
06.03.1992Search fee paid 
06.03.1992Designation fee(s) paid 
06.03.1992Examination fee paid 
Examination procedure13.03.1991Request for preliminary examination filed
International Preliminary Examining Authority: BE
09.03.1992Examination requested  [1992/25]
08.08.1995Despatch of a communication from the examining division (Time limit: M06)
12.02.1996Reply to a communication from the examining division
03.09.1996Despatch of communication of intention to grant (Approval: Yes)
13.01.1997Communication of intention to grant the patent
14.03.1997Fee for grant paid
14.03.1997Fee for publishing/printing paid
Divisional application(s)EP93203195.8  / EP0588445
EP93203242.8  / EP0588446
EP93203243.6  / EP0588447
Opposition(s)10.04.1998No opposition filed within time limit [1998/27]
Fees paidRenewal fee
15.09.1992Renewal fee patent year 03
20.08.1993Renewal fee patent year 04
25.08.1994Renewal fee patent year 05
18.08.1995Renewal fee patent year 06
19.08.1996Renewal fee patent year 07
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipAT09.07.1997
BE09.07.1997
CH09.07.1997
DK09.07.1997
ES09.07.1997
IT09.07.1997
LI09.07.1997
NL09.07.1997
LU30.09.1997
SE09.10.1997
DE10.10.1997
[2003/07]
Former [2002/25]AT09.07.1997
BE09.07.1997
CH09.07.1997
DK09.07.1997
ES09.07.1997
IT09.07.1997
LI09.07.1997
LU30.09.1997
SE09.10.1997
DE10.10.1997
Former [2000/52]AT09.07.1997
BE09.07.1997
CH09.07.1997
DK09.07.1997
IT09.07.1997
LI09.07.1997
LU30.09.1997
SE09.10.1997
DE10.10.1997
Former [2000/50]AT09.07.1997
BE09.07.1997
DK09.07.1997
IT09.07.1997
LU30.09.1997
SE09.10.1997
DE10.10.1997
CH14.10.1997
LI14.10.1997
Former [2000/06]AT09.07.1997
BE09.07.1997
DK09.07.1997
IT09.07.1997
LU30.09.1997
SE09.10.1997
DE10.10.1997
Former [1999/42]AT09.07.1997
BE09.07.1997
DK09.07.1997
IT09.07.1997
SE09.10.1997
DE10.10.1997
Former [1998/21]AT09.07.1997
BE09.07.1997
DK09.07.1997
SE09.10.1997
DE10.10.1997
Former [1998/15]AT09.07.1997
DK09.07.1997
SE09.10.1997
DE10.10.1997
Former [1998/12]SE09.10.1997
Documents cited:SearchEP0163577  [ ] (DIGITAL EQUIPMENT CORP [US]);
 US4791561  [ ] (HUBER VAL J [US])
 [A]  - HITACHI REVIEW vol. 38, no. 1, February 1989, TOKYO JP page 73 'Development of an Expert System Building Tool for Business Applications'
 [X]  - C.J.DATE 'Introduction to Database Systems, Vol I, 4th Edition' 1986 , ADDISON-WESLEY , READING,MA
 [A]  - IEEE TRANSACTIONS ON SOFTWARE ENGINEERING vol. SE-8, no. 1, January 1982, NEW YORK US pages 1 - 12 R.C.WATERS 'The Programmer's Apprentice:Knowledge Based Program Editing'
 [A]  - PROCEEDINGS 5TH INTERNATIONAL CONFERENCE ON DATA ENGINEERING 6 February 1989, LOS ANGELES pages 339 - 347 A.MOTRO 'An Access Authorization Model for Relational Databases based on Algebraic manipulation of View Definitions'
International search[Y]  - An object-oriented Approach to Database Systems implementation: A.J. BAROODY Jr., and D.J. DE WITT, ACM Transactions on Database Systems, Vol. 6, No. 4, December 1981. p. 577-601.
 [Y]  - EAS-E: An Integrated Approach to Application Development: A. MALHOTRA, H.M. MARKOWITZ and D.P. PAZEL, ACM Transactions on Database Systems, Vol. 8 No. 4, December 1983, pages 515-542.
 [Y]  - The CACTIS Project: Database Support for Software Environments : S.S. HUDSON and R. KING, IEEE Transactions on software Engineering, Vol. 14, No. 6, June 1988. Pages 709-719. Relevant page 709-710.
 [AP]  - Heteroqeueous Data Translations based on Environment Grammars: M. RUSCHITZKA, and J.L. CLEVENGER, IEEE Transactions on software Engineering, Vol. 15, No. 10, October 1989.
 [AP]  - An Eutility-Relationship Programming Language: A. MALHOTRA, H.M. MARKOWITZ, Y. TASLALIKHIN, D.P. PAZEL and L.M. BUSHS, IEEE transactions on Software Engineering Vol. 15, No. 9, September 1989.
ExaminationUS4860204
 EP0331060
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.