| EP0533495 - Air-fuel ratio control system for internal combustion engines [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 21.06.1996 Database last updated on 11.04.2026 | Most recent event Tooltip | 21.06.1996 | No opposition filed within time limit | published 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 date | 92308543.5 | 18.09.1992 | [1993/12] | Priority number, date | JP19910267181 | 18.09.1991 Original published format: JP 26718191 | [1993/12] | Filing language | EN | Procedural language | EN | Publication | Type: | 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: | EP | 14.06.1993 | Classification | IPC: | 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 states | DE, FR, GB [1993/12] | Title | German: | 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 procedure | 04.12.1993 | Examination requested [1994/05] | 14.12.1994 | Despatch of communication of intention to grant (Approval: Yes) | 17.02.1995 | Communication of intention to grant the patent | 02.05.1995 | Fee for grant paid | 02.05.1995 | Fee for publishing/printing paid | Opposition(s) | 18.05.1996 | No opposition filed within time limit [1996/32] | Fees paid | Renewal fee | 26.09.1994 | Renewal fee patent year 03 |
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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. | 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] |