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EP0273420
European procedure
Extract from the Register of European Patents
EP About this file: EP0273420
| EP0273420 - A blast furnace method [Right-click to bookmark this link] | |||
| Former [1988/27] | A blast furnace | ||
| [1993/38] | Status | No opposition filed within time limit Status updated on 23.07.1994 Database last updated on 09.12.2024 | Most recent event Tooltip | 23.07.1994 | No opposition filed within time limit | published on 14.09.1994 [1994/37] | Applicant(s) | For all designated states NIPPON KOKAN KABUSHIKI KAISHA 1-2 Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1989/11] | For all designated states NIPPON KOKAN KABUSHIKI KAISHA 1-2 Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | ||
| Former [1988/27] | For all designated states NIPPON KOKAN KABUSHIKI KAISHA 1-2 Marunouchi, 1-chome Chiyoda-ku Tokyo-to / JP | Inventor(s) | 01 /
Oono, Yotaro, c/o Nippon Kokan KK Patent & License/Quality Dept., 1-2, 1-chome Marunouchi, Chiyoda-ku, Tokyo / JP | 02 /
Hotta, Hirohisa, c/o Nippon Kokan KK Patent & License/Quality Dept., 1-2, 1-chome Marunouchi, Chiyoda-ku, Tokyo / JP | 03 /
Wakimoto, Kazumasa, c/o Nippon Kokan KK Patent & License/Quality Dept., 1-2, 1-chome Marunouchi, Chiyoda-ku, Tokyo / JP | 04 /
Kawada, Hitoshi, c/o Nippon Kokan KK Patent & License/Quality Dept., 1-2, 1-chome Marunouchi, Chiyoda-ku, Tokyo / JP | 05 /
Tsujimoto, Kazuhiko, c/o Nippon Kokan KK Patent & License/Quality Dept., 1-2, 1-chome Marunouchi, Chiyoda-ku, Tokyo / JP | [1993/38] |
| Former [1988/27] | 01 /
Oono, Yotaro Patent & License and Quality Nippon Kokan K.K. 1-2, 1-chome Marunouchi Chiyoda-ku Tokyo / JP | ||
| 02 /
Hotta, Hirohisa Patent & License and Quality Nippon Kokan K.K. 1-2, 1-chome Marunouchi Chiyoda-ku Tokyo / JP | |||
| 03 /
Wakimoto, Kazumasa Patent & License and Quality Nippon Kokan K.K. 1-2, 1-chome Marunouchi Chiyoda-ku Tokyo / JP | |||
| 04 /
Kawada, Hitoshi Patent & License and Quality Nippon Kokan K.K. 1-2, 1-chome Marunouchi Chiyoda-ku Tokyo / JP | |||
| 05 /
Tsujimoto, Kazuhiko Patent & License and Quality Nippon Kokan K.K. 1-2, 1-chome Marunouchi Chiyoda-ku Tokyo / JP | Representative(s) | von Fischern, Bernhard, et al Hoffmann - Eitle Patent- und Rechtsanwälte Arabellastrasse 4 81925 München / DE | [N/P] |
| Former [1988/27] | Ritter und Edler von Fischern, Bernhard, Dipl.-Ing., et al Hoffmann, Eitle & Partner, Patentanwälte, Postfach 81 04 20 D-81904 München / DE | Application number, filing date | 87119248.0 | 28.12.1987 | [1988/27] | Priority number, date | JP19860309133 | 27.12.1986 Original published format: JP 30913386 | JP19870000222 | 06.01.1987 Original published format: JP 22287 | JP19870001853 | 09.01.1987 Original published format: JP 185387 | [1988/27] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0273420 | Date: | 06.07.1988 | Language: | EN | [1988/27] | Type: | A3 Search report | No.: | EP0273420 | Date: | 03.08.1988 | Language: | EN | [1988/31] | Type: | B1 Patent specification | No.: | EP0273420 | Date: | 22.09.1993 | Language: | EN | [1993/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.06.1988 | Classification | IPC: | C21B5/00 | [1988/27] | CPC: |
C21B5/00 (EP);
C21B7/00 (KR)
| Designated contracting states | DE, FR, GB, IT [1988/27] | Title | German: | Hochofenverfahren | [1993/38] | English: | A blast furnace method | [1993/38] | French: | Méthode pour un haut fourneau | [1993/38] |
| Former [1988/27] | Hochofen | ||
| Former [1988/27] | A blast furnace | ||
| Former [1988/27] | Haut fourneau | Examination procedure | 28.12.1987 | Examination requested [1988/27] | 17.08.1990 | Despatch of a communication from the examining division (Time limit: M04) | 17.12.1990 | Reply to a communication from the examining division | 04.03.1991 | Despatch of a communication from the examining division (Time limit: M04) | 02.07.1991 | Reply to a communication from the examining division | 08.08.1991 | Despatch of a communication from the examining division (Time limit: M04) | 09.12.1991 | Reply to a communication from the examining division | 28.04.1992 | Despatch of a communication from the examining division (Time limit: M02) | 12.05.1992 | Reply to a communication from the examining division | 02.11.1992 | Despatch of communication of intention to grant (Approval: Yes) | 15.03.1993 | Communication of intention to grant the patent | 14.06.1993 | Fee for grant paid | 14.06.1993 | Fee for publishing/printing paid | Opposition(s) | 23.06.1994 | No opposition filed within time limit [1994/37] | Fees paid | Renewal fee | 12.12.1989 | Renewal fee patent year 03 | 27.12.1990 | Renewal fee patent year 04 | 30.12.1991 | Renewal fee patent year 05 | 30.12.1992 | Renewal fee patent year 06 |
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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 | [Y]FR869065 (LINDES EISMASCHINEN AG); | [Y]US2593257 (BRADLEY JOHN M, et al); | [A]GB668218 (BLELOCH WILLIAM); | [A]CH254586 (VON ROLL AG [CH]); | [A]GB674546 (RUHRGAS AG); | [A]DE743376 (ROECHLINGSCHE EISEN & STAHL); | [A]DE763817 (THYSSEN SCHE GAS U WASSERWERKE); | [A]FR2156456 (NIPPON KOKAN KK); | [A]US3364009 (ROLAND KEMMETMULLER); | [A]US3423080 (KEYSER NAAMAN H); | [A]BE817647R |