Extract from the Register of European Patents

EP About this file: EP0533495

EP0533495 - Air-fuel ratio control system for internal combustion engines [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  21.06.1996
Database last updated on 11.04.2026
Most recent event   Tooltip21.06.1996No opposition filed within time limitpublished on 07.08.1996 [1996/32]
Applicant(s)For all designated states
HONDA GIKEN KOGYO KABUSHIKI KAISHA
1-1, Minami-Aoyama 2-chome
Minato-ku, Tokyo / JP
[N/P]
Former [1993/12]For all designated states
HONDA GIKEN KOGYO KABUSHIKI KAISHA
1-1, Minamiaoyama 2-chome
Minato-ku Tokyo / JP
Inventor(s)01 / Akazaki, Shusuke, c/o Honda R & D Co., Ltd.
No. 4-1, Chuo 1-chome
Wako-shi, Saitama-ken / JP
02 / Miyashita, Kotaro, c/o Honda R & D Co., Ltd.
No. 4-1, Chuo 1-chome
Wako-shi, Saitama-ken / JP
[1993/12]
Representative(s)Tomlinson, Kerry John, et al
Dehns
St Bride's House
10 Salisbury Square
London
EC4Y 8JD / GB
[N/P]
Former [1993/12]Tomlinson, Kerry John, et al
Frank B. Dehn & Co. European Patent Attorneys Imperial House 15-19 Kingsway
London WC2B 6UZ / GB
Application number, filing date92308543.518.09.1992
[1993/12]
Priority number, dateJP1991026718118.09.1991         Original published format: JP 26718191
[1993/12]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0533495
Date:24.03.1993
Language:EN
[1993/12]
Type: A3 Search report 
No.:EP0533495
Date:28.07.1993
Language:EN
[1993/30]
Type: B1 Patent specification 
No.:EP0533495
Date:16.08.1995
Language:EN
[1995/33]
Search report(s)(Supplementary) European search report - dispatched on:EP14.06.1993
ClassificationIPC:F02D41/14, F02D41/06, F02D41/04
[1993/12]
CPC:
F02D41/1475 (EP,US); F02D41/1486 (EP,US); F02B2275/18 (EP,US);
F02D41/1456 (EP,US)
Designated contracting statesDE,   FR,   GB [1993/12]
TitleGerman:Steuerungssystem des Luft-Kraftstoffverhältnisses für Verbrennungsmotoren[1993/12]
English:Air-fuel ratio control system for internal combustion engines[1993/12]
French:Système de commande de rapport air-carburant pour moteurs à combustion interne[1993/12]
Examination procedure04.12.1993Examination requested  [1994/05]
14.12.1994Despatch of communication of intention to grant (Approval: Yes)
17.02.1995Communication of intention to grant the patent
02.05.1995Fee for grant paid
02.05.1995Fee for publishing/printing paid
Opposition(s)18.05.1996No opposition filed within time limit [1996/32]
Fees paidRenewal fee
26.09.1994Renewal fee patent year 03
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Documents cited:Search[X] JP63113171  
 [X] JP63021342  
 [A] JP62067251  
 [X] DE3826573  (MITSUBISHI ELECTRIC CORP et al.) [X]
 [X] EP0136519  (HITACHI LTD et al.) [X]
 [A] GB2185592  (HONDA MOTOR CO LTD et al.) [A]
 [X]   PATENT ABSTRACTS OF JAPAN vol. 12, no. 356 (M-745)26 September 1988 & JP-A-63 113 171 ( HONDA MOTOR CO. LTD. ) 18 May 1988 [X]
 [X]   PATENT ABSTRACTS OF JAPAN vol. 12, no. 227 (M-713)28 June 1988 & JP-A-63 021 342 ( TOYOTA MOTOR CORP. ) 28 January 1988 [X]
 [A]   PATENT ABSTRACTS OF JAPAN vol. 11, no. 263 (M-619)26 August 1987 & JP-A-62 067 251 ( HONDA MOTOR CO. LTD. ) 26 March 1987 [A]
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