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EP0553527
European procedure
Extract from the Register of European Patents
EP About this file: EP0553527
| EP0553527 - Powder material for rare earth-iron-boron based permanent magnets [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.03.1998 Database last updated on 31.08.2024 | Most recent event Tooltip | 20.03.1998 | No opposition filed within time limit | published on 06.05.1998 [1998/19] | Applicant(s) | For all designated states SUMITOMO SPECIAL METALS CO., LTD. 4-7-19 Kitahama, Chuo-ku Osaka-shi Osaka / JP | For all designated states SUMITOMO METAL MINING COMPANY LIMITED 11-3, Shinbashi 5-chome Minato-ku Tokyo 105 / JP | [N/P] |
| Former [1993/31] | For all designated states SUMITOMO SPECIAL METALS CO., LTD. 4-7-19 Kitahama, Chuo-ku Osaka-shi Osaka / JP | ||
| For all designated states SUMITOMO METAL MINING COMPANY LIMITED 11-3, Shinbashi 5-chome Minato-ku Tokyo 105 / JP | Inventor(s) | 01 /
Hamamura, Atsushi 2-10-5 Kitafukunishi-cho, Ooe, Saikyo-ku Kyoto City, Kyoto Prefecture / JP | 02 /
Okayama, Katsumi 1553-14 Kusatsu-cho Kusatsu City, Shiga Prefecture / JP | 03 /
Kaneko, Yuji 30-207 Okurayama, Kohata Uji City, Kyoto Prefecture / JP | 04 /
Okajima, Yasuhiro 14-4 Hoshigoe-cho Niihama City, Ehime Prefecture / JP | 05 /
Takeya, Kaname 3-632 Ouji-cho Niihama City, Ehime Prefecture / JP | 06 /
Okada, Shuji 686 Wadaotsu, Toyohama-cho Mitoyo-gun, Kagawa Prefecture / JP | [1993/31] | Representative(s) | Livsey, Gilbert Charlesworth Norris, et al Barker Brettell 10-12 Priests Bridge London SW15 5JE / GB | [N/P] |
| Former [1993/31] | Livsey, Gilbert Charlesworth Norris, et al HYDE, HEIDE & O'DONNELL 10-12 Priest's Bridge London SW15 5JE / GB | Application number, filing date | 92301711.5 | 28.02.1992 | [1993/31] | Priority number, date | JP19920040137 | 29.01.1992 Original published format: JP 4013792 | [1993/31] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0553527 | Date: | 04.08.1993 | Language: | EN | [1993/31] | Type: | B1 Patent specification | No.: | EP0553527 | Date: | 14.05.1997 | Language: | EN | [1997/20] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 29.04.1993 | Classification | IPC: | H01F1/053 | [1997/20] | CPC: |
H01F1/0573 (EP,US);
H01F1/0571 (EP,US)
|
| Former IPC [1993/31] | H01F1/053, H01F41/02 | Designated contracting states | AT, BE, DE, FR, GB, NL [1993/31] | Title | German: | Seltenerd-Eisen-Bor Legierungspulver für Dauermagneten | [1997/20] | English: | Powder material for rare earth-iron-boron based permanent magnets | [1993/31] | French: | Matériau en poudre pour des aimants permanents à base de terre rare-fer-bore | [1993/31] |
| Former [1993/31] | Pudermaterial für Seltenerd-Eisen-Bor basierten Dauermagneten | Examination procedure | 25.01.1994 | Examination requested [1994/13] | 13.07.1995 | Despatch of a communication from the examining division (Time limit: M04) | 07.11.1995 | Reply to a communication from the examining division | 25.01.1996 | Despatch of a communication from the examining division (Time limit: M06) | 04.06.1996 | Reply to a communication from the examining division | 21.06.1996 | Despatch of a communication from the examining division (Time limit: M04) | 19.07.1996 | Reply to a communication from the examining division | 16.09.1996 | Despatch of communication of intention to grant (Approval: Yes) | 05.11.1996 | Communication of intention to grant the patent | 20.01.1997 | Fee for grant paid | 20.01.1997 | Fee for publishing/printing paid | Opposition(s) | 17.02.1998 | No opposition filed within time limit [1998/19] | Fees paid | Renewal fee | 28.02.1994 | Renewal fee patent year 03 | 27.02.1995 | Renewal fee patent year 04 | 28.02.1996 | Renewal fee patent year 05 | 26.02.1997 | 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 | [A]JP01048406 ; | [A]JP62261101 ; | [E]JP04110401 ; | [X]EP0447567 (KAWASAKI STEEL CO [JP]) | [A] - PATENT ABSTRACTS OF JAPAN vol. 13, no. 246 (E-769)(3594) 8 June 1989 & JP-A-01 048 406 ( MITSUBISHI METAL CORP ), & JP01048406 A 19890608 | [A] - PATENT ABSTRACTS OF JAPAN vol. 12, no. 135 (E-604)(2982) 23 April 1988 & JP-A-62 261 101 ( HTACHI METALS LTD ) 13 November 1987, & JP62261101 A 19871113 | [E] - PATENT ABSTRACTS OF JAPAN vol. 16, no. 353 (M-1288)30 July 1992 & JP-A-04 110 401 ( SUMITOMO SPECIAL METALS CO ) 10 April 1992, & JP04110401 A 19920410 |