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EP0051300
European procedure
Extract from the Register of European Patents
EP About this file: EP0051300
| EP0051300 - Method for making an exhaust valve for a Diesel engine [Right-click to bookmark this link] | |||
| Former [1982/19] | Exhaust valve for Diesel engine and production thereof | ||
| [1986/37] | Status | No opposition filed within time limit Status updated on 14.07.1987 Database last updated on 02.11.2024 | Most recent event Tooltip | 26.09.2008 | Change - representative | published on 29.10.2008 [2008/44] | Applicant(s) | For all designated states NIPPON KOKAN KABUSHIKI KAISHA 1-2 Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1982/19] | For all designated states NIPPON KOKAN KABUSHIKI KAISHA 1-2 Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | Inventor(s) | 01 /
Yamada, Takemi No. 20-6, Todoroki, 4-chome Setagaya-ku Tokyo / JP | 02 /
Satoh, Tamataro No. 24-13, Hikagiriyama, 3-chome Konan-ku, Yokohama-shi Kanagawa-ken / JP | 03 /
Mizushina, Masaaki No. 8-32, Sakuragaoka, 2-chome Fujisawa-shi Kanagawa-ken / JP | 04 /
Toyota, Koji No. 947-1, Hazawa-cho Kanagawa-ku Yokohama-shi Kanagawa-ken / JP | 05 /
Okamoto, Hiromi No. 12-20, Konan, 4-chome Konan-ku, Yokohama-shi Kanagawa-ken / JP | [1982/19] | Representative(s) | Klingseisen, Franz, et al Klingseisen, Rings & Partner Patentanwälte Bräuhausstrasse 2 80331 München / DE | [N/P] |
| Former [2008/44] | Klingseisen, Franz, et al Klingseisen & Partner Bräuhausstrasse 2 80331 München / DE | ||
| Former [1982/19] | Klingseisen, Franz, Dipl.-Ing., et al Patentanwälte, Dr. F. Zumstein, Dipl.-Ing. F. Klingseisen, Bräuhausstrasse 4 D-80331 München / DE | Application number, filing date | 81109361.6 | 30.10.1981 | [1982/19] | Priority number, date | JP19800152264 | 31.10.1980 Original published format: JP 15226480 | JP19810149620 | 24.09.1981 Original published format: JP 14962081 | [1982/19] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0051300 | Date: | 12.05.1982 | Language: | EN | [1982/19] | Type: | B1 Patent specification | No.: | EP0051300 | Date: | 10.09.1986 | Language: | EN | [1986/37] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.02.1982 | Classification | IPC: | F01L3/22, B22F7/00, B21K1/22 | [1982/19] | CPC: |
F01L3/22 (EP,US);
F01L3/04 (EP,US);
F02F7/0087 (EP,US);
F02B3/06 (EP,US);
F05C2203/0895 (EP,US)
| Designated contracting states | CH, DE, FR, GB, LI, SE [1982/19] | Title | German: | Verfahren zur Herstellung eines Auslassventiles für einen Dieselmotor | [1986/37] | English: | Method for making an exhaust valve for a Diesel engine | [1986/37] | French: | Procédé de fabrication d'une soupape d'échappement pour moteurs Diesel | [1986/37] |
| Former [1982/19] | Auslassventil für einen Dieselmotor und dessen Herstellung | ||
| Former [1982/19] | Exhaust valve for Diesel engine and production thereof | ||
| Former [1982/19] | Soupape d'échappement pour moteurs Diesel et son procédé de fabrication | File destroyed: | 20.04.2002 | Examination procedure | 23.06.1982 | Examination requested [1982/35] | 01.06.1983 | Despatch of a communication from the examining division (Time limit: M06) | 08.12.1983 | Reply to a communication from the examining division | 07.05.1984 | Despatch of a communication from the examining division (Time limit: M06) | 16.11.1984 | Reply to a communication from the examining division | 11.03.1985 | Despatch of a communication from the examining division (Time limit: M02) | 20.05.1985 | Reply to a communication from the examining division | 21.06.1985 | Despatch of a communication from the examining division (Time limit: M02) | 29.08.1985 | Reply to a communication from the examining division | 25.11.1985 | Despatch of communication of intention to grant (Approval: ) | 05.03.1986 | Communication of intention to grant the patent | 05.06.1986 | Fee for grant paid | 05.06.1986 | Fee for publishing/printing paid | Opposition(s) | 11.06.1987 | No opposition filed within time limit [1987/36] | Fees paid | Renewal fee | 24.10.1983 | Renewal fee patent year 03 | 25.10.1984 | Renewal fee patent year 04 | 23.10.1985 | Renewal fee patent year 05 |
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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 | CH291607 [ ] (ALLIANCE EUROP [CH]); | CH400664 [ ] (ARMOUR RES FOUND [US]); | GB1097211 [ ] (KURT GRAF BLUCHER VON WAHLSTAT); | DE2043025 [ ]; | US3649380 [ ] (TAUSCHEK MAX J); | DE2500662 [ ] (NIPPON PISTON RING CO LTD); | DE2433896 [ ] (VOLKSWAGENWERK AG); | DE2456435 [ ] (VOLKSWAGENWERK AG); | DE2401315 [ ]; | GB1525290 [ ] (BBC BROWN BOVERI & CIE); | DE2856232 [ ] (TEVES THOMPSON GMBH) | Examination | GB665330 | GB2015397 |