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EP0496526
European procedure
Extract from the Register of European Patents
EP About this file: EP0496526
| EP0496526 - Exhaust gas purification system for an internal combustion engine [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.07.1996 Database last updated on 26.04.2025 | Most recent event Tooltip | 09.08.1996 | Correction of patent specification | published on 25.09.1996 [1996/39] | Applicant(s) | For all designated states Toyota Jidosha Kabushiki Kaisha 1, Toyota-cho Toyota-shi, Aichi-ken, 471-8571 / JP | [N/P] |
| Former [1992/31] | For all designated states TOYOTA JIDOSHA KABUSHIKI KAISHA 1, Toyota-cho Toyota-shi Aichi-ken 471 / JP | Inventor(s) | 01 /
Muraki, Hideaki, Toyota Jidosha Kabushiki Kaisha 1, Toyota-cho Toyota-shi, Aichi-ken, 471 / JP | 02 /
Oishi, Kiyohiko, Toyota Jidosha Kabushiki Kaisha 1, Toyota-cho Toyota-shi, Aichi-ken, 471 / JP | 03 /
Katoh, Kenji, Toyota Jidosha Kabushiki Kaisha 1, Toyota-cho Toyota-shi, Aichi-ken, 471 / JP | 04 /
Takeshima, Shinichi, Toyota Jidosha Kabushiki K. 1, Toyota-cho Toyota-shi, Aichi-ken, 471 / JP | [1996/03] |
| Former [1992/31] | 01 /
Muraki, Hideaki, Toyota Jidosha Kabushiki Kaisha 1, Toyota-cho Toyota-shi, Aichi-ken, 471 / JP | ||
| 02 /
Oishi, Kiyohiko, Toyota Jidosha Kabushiki Kaisha 1, Toyota-cho Toyota-shi, Aichi-ken, 471 / JP | |||
| 03 /
Katho, Kenji, Toyota Jidosha Kabushiki Kaisha 1, Toyota-cho Toyota-shi, Aichi-ken, 471 / JP | |||
| 04 /
Takeshima, Shinichi, Toyota Jidosha Kabushiki K. 1, Toyota-cho Toyota-shi, Aichi-ken, 471 / JP | Representative(s) | Ben-Nathan, Laurence Albert, et al Urquhart-Dykes & Lord 30 Welbeck Street London W1G 8ER / GB | [N/P] |
| Former [1992/31] | Ben-Nathan, Laurence Albert, et al Urquhart-Dykes & Lord 91 Wimpole Street London W1M 8AH / GB | Application number, filing date | 92300362.8 | 16.01.1992 | [1992/31] | Priority number, date | JP19910020351 | 22.01.1991 Original published format: JP 2035191 | [1992/31] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0496526 | Date: | 29.07.1992 | Language: | EN | [1992/31] | Type: | B1 Patent specification | No.: | EP0496526 | Date: | 06.09.1995 | Language: | EN | [1995/36] | Type: | B1 RE Reissue of patent specification | No.: | EP0496526 | Date: | 25.09.1996 | [1996/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.04.1992 | Classification | IPC: | B01D53/94, F01N3/20 | [1995/36] | CPC: |
F02D41/005 (EP,US);
B01D53/945 (EP,US);
B01D53/9454 (EP,US);
B01D53/9495 (EP,US);
F01N13/009 (EP,US);
F01N13/0097 (EP,US);
F01N3/0892 (EP,US);
F01N3/20 (EP,US);
F01N3/2006 (EP,US);
F01N3/2882 (EP,US);
F01N9/00 (EP,US);
B01D2259/818 (EP,US);
F02D41/0235 (EP,US);
F02D41/1446 (EP,US);
F02M26/15 (EP,US);
|
| Former IPC [1992/31] | B01D53/36, F01N3/20 | Designated contracting states | DE, FR, GB [1992/31] | Title | German: | Abgasreinigungssystem für eine Brennkraftmaschine | [1992/31] | English: | Exhaust gas purification system for an internal combustion engine | [1992/31] | French: | Système de purification des gaz d'échappement pour un moteur à combustion interne | [1992/31] | Examination procedure | 31.01.1992 | Examination requested [1992/31] | 08.06.1994 | Despatch of a communication from the examining division (Time limit: M06) | 04.10.1994 | Reply to a communication from the examining division | 09.11.1994 | Despatch of communication of intention to grant (Approval: No) | 03.03.1995 | Despatch of communication of intention to grant (Approval: later approval) | 08.03.1995 | Communication of intention to grant the patent | 11.04.1995 | Fee for grant paid | 11.04.1995 | Fee for publishing/printing paid | Opposition(s) | 08.06.1996 | No opposition filed within time limit [1996/35] | Fees paid | Renewal fee | 22.01.1994 | Renewal fee patent year 03 | 23.01.1995 | Renewal fee patent year 04 |
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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 | [A]JP1139145 ; | [A]GB2162830 (BABCOCK HITACHI KK); | [A]DE3644377 (HOECHST AG [DE]); | [A]DE3842282 (TOYOTA MOTOR CO LTD [JP]); | [A]US4981660 (LEACH JAMES T [US]) |