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EP0539236
European procedure
Extract from the Register of European Patents
EP About this file: EP0539236
| EP0539236 - Low-iron loss grain oriented electromagnetic steel sheet and method of producing the same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 07.03.1997 Database last updated on 19.10.2024 | Most recent event Tooltip | 07.03.1997 | No opposition filed within time limit | published on 23.04.1997 [1997/17] | Applicant(s) | For all designated states KAWASAKI STEEL CORPORATION No. 1-28, 1-Chome Kitahonmachi-Dori Chuo-Ku, Kobe-City Hyogo 651 / JP | [1993/17] | Inventor(s) | 01 /
Nakano, Koh, c/o Technical Research Div. Kawasaki Steel Corp., 1, Kawasakicho, Chuo-ku Chiba-shi, Chiba 260 / JP | 02 /
Sato, Keiji, c/o Technical Research Div. Kawasaki Steel Corp., 1, Kawasakicho, Chuo-ku Chiba-shi, Chiba 260 / JP | 03 /
Fukuda, Bunjiro, c/o Technical Research Div. Kawasaki Steel Corp., 1, Kawasakicho, Chuo-ku Chiba-shi, Chiba 260 / JP | [1993/17] | Representative(s) | Overbury, Richard Douglas, et al Haseltine Lake & Co., Imperial House, 15-19 Kingsway London WC2B 6UD / GB | [N/P] |
| Former [1993/17] | Overbury, Richard Douglas, et al HASELTINE LAKE & CO Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT / GB | Application number, filing date | 92309776.0 | 26.10.1992 | [1993/17] | Priority number, date | JP19910277802 | 24.10.1991 Original published format: JP 27780291 | [1993/17] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0539236 | Date: | 28.04.1993 | Language: | EN | [1993/17] | Type: | B1 Patent specification | No.: | EP0539236 | Date: | 01.05.1996 | Language: | EN | [1996/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.02.1993 | Classification | IPC: | C21D8/12, H01F1/18, C23F1/02 | [1993/17] | CPC: |
C21D8/1294 (EP,US);
C21D8/12 (KR);
H01F1/18 (EP,US);
C21D8/1277 (EP,US)
| Designated contracting states | DE, FR, GB [1993/17] | Title | German: | Kornorientiertes elektromagnetisches Stahlblech mit niedrigen Wattverlusten und Verfahren zur Herstellung desselben | [1996/18] | English: | Low-iron loss grain oriented electromagnetic steel sheet and method of producing the same | [1993/17] | French: | Tôle d'acier électromagnétique à grains orientés et à faible perte dans le fer et procédé de fabrication | [1993/17] |
| Former [1993/17] | Kornorientiertes elektromagnetisches Stahlblech mit niedrigen Wattverlusten und Verfahren zur Herstellung desselbe | Examination procedure | 21.04.1993 | Examination requested [1993/24] | 25.07.1994 | Despatch of a communication from the examining division (Time limit: M06) | 31.01.1995 | Reply to a communication from the examining division | 11.07.1995 | Despatch of communication of intention to grant (Approval: Yes) | 31.10.1995 | Communication of intention to grant the patent | 25.01.1996 | Fee for grant paid | 25.01.1996 | Fee for publishing/printing paid | Opposition(s) | 04.02.1997 | No opposition filed within time limit [1997/17] | Fees paid | Renewal fee | 21.10.1994 | Renewal fee patent year 03 | 23.10.1995 | 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]JP61253380 ; | [Y]EP0334221 (ARMCO ADVANCED MATERIALS [US]); | [Y]EP0229646 (NIPPON STEEL CORP [JP]); | [A]EP0304740 (BRITISH STEEL PLC [GB]); | [A]GB2168626 (NIPPON STEEL CORP) | [A] - PATENT ABSTRACTS OF JAPAN vol. 11, no. 106 (C-414)(2553) 3 April 1987 & JP-A-61 253 380 ( NIPPON STEEL CORPORATION ) 11 November 1986, & JP61253380 A 19861111 | [A] - IEEE TRANSACTIONS ON MAGNETICS. vol. 25, no. 5, September 1989, NEW YORK US pages 3949 - 3954 K.I.ARAI ET AL 'Iron loss of tertiary recrystallized silicon steel' |