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Extract from the Register of European Patents

EP About this file: EP0389132

EP0389132 - A control system for an industrial plant, a display device for such a control system, and a method of controlling an industrial plant [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  30.08.1996
Database last updated on 03.09.2024
Most recent event   Tooltip30.08.1996No opposition filed within time limitpublished on 16.10.1996 [1996/42]
Applicant(s)For all designated states
Hitachi, Ltd.
6, Kanda Surugadai 4-chome
Chiyoda-ku
Tokyo 101 / JP
[N/P]
Former [1990/39]For all designated states
HITACHI, LTD.
6, Kanda Surugadai 4-chome
Chiyoda-ku, Tokyo 101 / JP
Inventor(s)01 / Nigawara, Seiitsu
21-5 Nishinarusawa-cho 1-chome
Hitachi-shi, Ibaraki 316 / JP
02 / Fukai, Masayuki
10-49 Nishinarusawa-cho 1-chome
Hitachi-shi, Ibaraki 316 / JP
03 / Suguhara, Masashi
1-26 Jyounan-cho 3-chome
Hitachi-shi, Ibaraki 317 / JP
04 / Furudate, Kazuo
16-2 Mikanohara-cho 2-chome
Hitachi-shi, Ibaraki 316 / JP
05 / Nagai, Hashime
3-202, 619-4 Kamiokakami, Sekinami-machi
Kitaibaraki-shi, Ibaraki 319-17 / JP
[1990/39]
Representative(s)Calderbank, Thomas Roger, et al
Mewburn Ellis LLP
City Tower
40 Basinghall Street
London EC2V 5DE / GB
[N/P]
Former [1990/39]Calderbank, Thomas Roger, et al
MEWBURN ELLIS York House 23 Kingsway
London WC2B 6HP / GB
Application number, filing date90302266.302.03.1990
[1990/39]
Priority number, dateJP1989006622720.03.1989         Original published format: JP 6622789
[1990/39]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0389132
Date:26.09.1990
Language:EN
[1990/39]
Type: A3 Search report 
No.:EP0389132
Date:15.04.1992
Language:EN
[1992/16]
Type: B1 Patent specification 
No.:EP0389132
Date:25.10.1995
Language:EN
[1995/43]
Search report(s)(Supplementary) European search report - dispatched on:EP24.02.1992
ClassificationIPC:G07C3/00, G05B23/02
[1992/16]
CPC:
G05B23/0272 (EP,US); G06F17/00 (KR); G07C3/00 (EP,US);
G05B2219/23142 (EP,US); G05B2219/23145 (EP,US); G05B2219/23151 (EP,US);
G05B2219/24063 (EP,US); G05B2219/24103 (EP,US); G05B2219/24104 (EP,US);
Y10S715/97 (US) (-)
Former IPC [1990/39]G07C3/00
Designated contracting statesDE,   FR,   GB [1995/27]
Former [1990/39]CH,  DE,  FR,  GB,  LI,  SE 
TitleGerman:Überwachungsvorrichtung für eine Industrieanlage, Anzeigevorrichtung für eine solche Überwachungsvorrichtung und Verfahren zum Überwachen einer Industrieanlage[1990/39]
English:A control system for an industrial plant, a display device for such a control system, and a method of controlling an industrial plant[1990/39]
French:Système de surveillance pour une installation industrielle, dispositif d'affichage pour un tel système de surveillance et procédé pour surveiller une installation industrielle[1990/39]
Examination procedure20.03.1990Examination requested  [1990/39]
09.09.1993Despatch of a communication from the examining division (Time limit: M04)
10.01.1994Reply to a communication from the examining division
05.09.1994Despatch of communication of intention to grant (Approval: No)
25.11.1994Despatch of a communication from the examining division (Time limit: M04)
21.01.1995Despatch of communication of intention to grant (Approval: later approval)
23.01.1995Reply to a communication from the examining division
02.02.1995Communication of intention to grant the patent
02.05.1995Fee for grant paid
02.05.1995Fee for publishing/printing paid
Opposition(s)26.07.1996No opposition filed within time limit [1996/42]
Fees paidRenewal fee
23.03.1992Renewal fee patent year 03
19.03.1993Renewal fee patent year 04
23.03.1994Renewal fee patent year 05
21.03.1995Renewal fee patent year 06
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Documents cited:Search[A]EP0246517  (NIPPON KOKAN KK [JP]);
 [A]EP0275192  (GEN ELECTRIC [US]);
 [XP]DE3838937  (HITACHI LTD [JP])
    [ ] - MESURES vol. 53, no. 9, 20 June 1988, PARIS page 48; P. MARTIN (GE- FANUC): 'AUTOMATISMES. EDF Renardières : fini les pupitres...'
 [A]  - ADVANCES IN INSTRUMENTATION (PART 1), Vol.43, 1988, RESEARCH TRIANGLE PARK, NC, USA, pages 133-149 ; KING ET AL., : " Power plant on-line diagnostic system for turbines, generators and water chemistry"
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.