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EP0049148
European procedure
Extract from the Register of European Patents
EP About this file: EP0049148
| EP0049148 - A method of preventing damage to an immersed tuyere of a decarburization furnace in steel making [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.10.1988 Database last updated on 16.11.2024 | Most recent event Tooltip | 25.10.1988 | No opposition filed within time limit | published on 14.12.1988 [1988/50] | Applicant(s) | For all designated states Nippon Steel Corporation 6-3 Otemachi 2-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1982/14] | For all designated states NIPPON STEEL CORPORATION 6-3 Otemachi 2-chome Chiyoda-ku Tokyo 100 / JP | Inventor(s) | 01 /
Takemura, Yozo 15-5, Shoan-3-chome Suginami-ku Tokyo / JP | 02 /
Kobayashi, Isao 18-4, Miyanowaki Takayokosukacho Tokai-shi / JP | 03 /
Akita, Yasuhiro 27-220, Aza Nishikanakuso Souri Chita-shi / JP | 04 /
Kato, Kaoru 13-1, Kitanoyama Nawacho Tokai-shi / JP | [1982/14] | Representative(s) | Carter, Caroline Ann, et al ABEL & IMRAY 20 Red Lion Street London WC1R 4PQ / GB | [N/P] |
| Former [1987/17] | Carter, Caroline Ann, et al ABEL & IMRAY Northumberland House 303-306 High Holborn London WC1V 7LH / GB | ||
| Former [1982/14] | Dayneswood, Trevor ABEL & IMRAY Northumberland House 303-306 High Holborn London, WC1V 7LH / GB | Application number, filing date | 81304470.8 | 28.09.1981 | [1982/14] | Priority number, date | JP19800133966 | 26.09.1980 Original published format: JP 13396680 | JP19800133967 | 26.09.1980 Original published format: JP 13396780 | JP19800133968 | 26.09.1980 Original published format: JP 13396880 | JP19810025161 | 23.02.1981 Original published format: JP 2516181 | [1982/14] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0049148 | Date: | 07.04.1982 | Language: | EN | [1982/14] | Type: | B1 Patent specification | No.: | EP0049148 | Date: | 23.12.1987 | Language: | EN | [1987/52] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.02.1982 | Classification | IPC: | C21C5/34, C21C5/32 | [1982/14] | CPC: |
C21C5/35 (EP,US);
C21C5/34 (EP,US)
| Designated contracting states | AT, BE, DE, FR, GB, IT, LU, NL, SE [1982/14] | Title | German: | Verfahren zum Vermeiden von Schäden an einer Eintauchdüse eines Ofens zum Entkohlen von Stahl bei der Stahlherstellung | [1982/14] | English: | A method of preventing damage to an immersed tuyere of a decarburization furnace in steel making | [1982/14] | French: | Procédé pour empêcher l'endommagement d'une tuyére immergée d'un four de décarburation lors de la fabrication de l'acier | [1982/14] | Examination procedure | 02.09.1982 | Examination requested [1982/45] | 27.12.1983 | Despatch of a communication from the examining division (Time limit: M06) | 11.10.1984 | Reply to a communication from the examining division | 11.03.1985 | Despatch of a communication from the examining division (Time limit: M04) | 04.07.1985 | Reply to a communication from the examining division | 29.11.1985 | Despatch of a communication from the examining division (Time limit: M06) | 25.04.1986 | Reply to a communication from the examining division | 06.05.1986 | Despatch of a communication from the examining division (Time limit: M04) | 15.09.1986 | Reply to a communication from the examining division | 12.03.1987 | Despatch of communication of intention to grant (Approval: ) | 25.06.1987 | Communication of intention to grant the patent | 07.09.1987 | Fee for grant paid | 07.09.1987 | Fee for publishing/printing paid | Opposition(s) | 24.09.1988 | No opposition filed within time limit [1988/50] | Request for further processing for: | 11.10.1984 | Request for further processing filed | 11.10.1984 | Full payment received (date of receipt of payment) Request granted | 04.12.1984 | Decision despatched | Fees paid | Renewal fee | 05.09.1983 | Renewal fee patent year 03 | 08.08.1984 | Renewal fee patent year 04 | 10.09.1985 | Renewal fee patent year 05 | 20.08.1986 | Renewal fee patent year 06 | 18.08.1987 | Renewal fee patent year 07 |
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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 | GB920279 [ ] (L AIR LIQUIDE SA POUR L EDUDE); | FR2028969 [ ] (ARBED); | FR2085619 [ ] (CENTRE NAT RECH METALL); | US3774894 [ ] (KNUPPEL H, et al); | US3967955 [ ] (FOLGERO KARE M, et al); | DE2740842 [ ] (FRANKE ERNST PETER PROF DIPL I); | BE880526 [ ] (BRISTOL MYERS COMPANY CT DE RE) |