EP0632471 - Process of preparing a permanent magnet containing rare earth metal, boron and iron [Right-click to bookmark this link] | |||
Former [1995/01] | Permanent magnet containing rare earth metal, boron and iron | ||
[1997/39] | Status | No opposition filed within time limit Status updated on 31.07.1998 Database last updated on 31.08.2024 | Most recent event Tooltip | 28.12.2007 | Lapse of the patent in a contracting state New state(s): ES | published on 30.01.2008 [2008/05] | Applicant(s) | For all designated states SANTOKU METAL INDUSTRY CO., LTD. 14-34, 4-chome, Fukae-Kitamachi, Higashinada-ku Kobe-shi Hyogo-ken / JP | [N/P] |
Former [1995/01] | For all designated states SANTOKU METAL INDUSTRY CO., LTD. 14-34, 4-chome, Fukae-Kitamachi, Higashinada-ku Kobe-shi, Hyogo-ken / JP | Inventor(s) | 01 /
Yamamoto, Kazuhiko 4-2-3-414, Aoyamadai, Tarumi-ku Kobe-shi, Hyogo-ken / JP | 02 /
Miyake, Yuichi 841, Nakanomachi Kasai-shi, Hyogo-ken / JP | 03 /
Okada, Chikara Rekkusu Manshon 710, 6-4-8, Shirakawadai, Suma-ku Kobe-shi, Hyogo-ken / JP | [1995/01] | Representative(s) | Kraus, Walter, et al Patentanwälte Kraus, Weisert & Partner Thomas-Wimmer-Ring 15 80539 München / DE | [N/P] |
Former [1995/01] | Kraus, Walter, Dr., et al Patentanwälte Kraus, Weisert & Partner Thomas-Wimmer-Ring 15 D-80539 München / DE | Application number, filing date | 94108868.4 | 09.06.1994 | [1995/01] | Priority number, date | JP19930142156 | 14.06.1993 Original published format: JP 14215693 | [1995/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0632471 | Date: | 04.01.1995 | Language: | EN | [1995/01] | Type: | A3 Search report | No.: | EP0632471 | Date: | 15.02.1995 | Language: | EN | [1995/07] | Type: | B1 Patent specification | No.: | EP0632471 | Date: | 24.09.1997 | Language: | EN | [1997/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.12.1994 | Classification | IPC: | H01F1/053 | [1995/01] | CPC: |
C22C1/0441 (EP);
H01F1/00 (KR);
H01F1/0571 (EP);
H01F1/0577 (EP)
| Designated contracting states | AT, DE, ES, FR, GB, IT, NL, SE [1995/01] | Title | German: | Verfahren zur Herstellung eines Dauermagneten aus Seltenerdmetall, Bor und Eisen | [1997/39] | English: | Process of preparing a permanent magnet containing rare earth metal, boron and iron | [1997/39] | French: | Procédé de preparation d' un aimant permanent contenant du métal de terre rare, du bore et du fer | [1997/39] |
Former [1995/01] | Dauermagnet aus Seltenerdmetall, Bor und Eisen | ||
Former [1995/01] | Permanent magnet containing rare earth metal, boron and iron | ||
Former [1995/01] | Aimant permanent contenant du métal de terre rare, du bore et du fer | Examination procedure | 07.03.1995 | Examination requested [1995/19] | 08.09.1995 | Despatch of a communication from the examining division (Time limit: M06) | 11.03.1996 | Reply to a communication from the examining division | 17.04.1996 | Despatch of a communication from the examining division (Time limit: M05) | 03.09.1996 | Reply to a communication from the examining division | 09.12.1996 | Despatch of communication of intention to grant (Approval: Yes) | 27.03.1997 | Communication of intention to grant the patent | 25.06.1997 | Fee for grant paid | 25.06.1997 | Fee for publishing/printing paid | Opposition(s) | 25.06.1998 | No opposition filed within time limit [1998/38] | Fees paid | Renewal fee | 21.06.1996 | Renewal fee patent year 03 | 18.06.1997 | 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. | Lapses during opposition Tooltip | ES | 24.09.1997 | IT | 24.09.1997 | SE | 24.12.1997 | [2002/26] |
Former [1999/42] | IT | 24.09.1997 | |
SE | 24.12.1997 | ||
Former [1998/15] | SE | 24.12.1997 | Documents cited: | Search | [YA]JPH04147605 ; | [A]JPH02118054 ; | [A]JPS63115304 ; | [PX]EP0556751 (SANTOKU METAL IND [JP]) [PX] 1 * page 4, line 2 - line 29 ** page 5, line 2 - line 8; claims 1,2,4,5 * | [Y] - D.DADON ET AL, IEEE TRANSACTIONS ON MAGNETICS., NEW YORK US, (198709), vol. 23, no. 5, pages 3605 - 3606 [Y] 1,2,5,6 * the whole document * | [YA] - PATENT ABSTRACTS OF JAPAN, (19920907), vol. 16, no. 423, Database accession no. (E - 1260), & JP04147605 A 19920521 (HITACHI METALS LTD.) [Y] 1,2,5,6 * abstract * [A] 3,4 | [A] - PATENT ABSTRACTS OF JAPAN, (19900712), vol. 14, no. 326, Database accession no. (C - 740), & JP02118054 A 19900502 (SEIKO EPSON CORP.) [A] 1,3,4 * abstract * | [A] - PATENT ABSTRACTS OF JAPAN, (19880928), vol. 12, no. 362, Database accession no. (E - 663), & JP63115304 A 19880519 (TDK CORP) [A] 1-8 * abstract * | [A] - T-S.CHIN ET AL, APPLIED PHYSICS LETTERS, NEW YORK US, (19910814), vol. 59, no. 16, pages 2046 - 2048 |