EP0184034 - Perpendicular magnetic recording medium and method of producing same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.11.1991 Database last updated on 04.06.2024 | Most recent event Tooltip | 16.11.1991 | No opposition filed within time limit | published on 08.01.1992 [1992/02] | Applicant(s) | For all designated states SUMITOMO SPECIAL METALS CO., LTD. 4-7-19 Kitahama, Chuo-ku Osaka / JP | [1989/43] |
Former [1986/24] | For all designated states SUMITOMO SPECIAL METAL CO., LTD. 22, Kitahama 5-chome Higashi-ku Osaka-shi Osaka 541 / JP | Inventor(s) | 01 /
Suzuki, Takao 35-16 Kaigamori Aramaki Sendai-shi Miyagi-ken / JP | 02 /
Sagawa, Masato 5-7 Imazato Sannotsubo Nagaokakyo-shi Kyoto-fu / JP | [1986/24] | Representative(s) | Diehl, Hermann O. Th., et al Diehl & Partner GbR Augustenstrasse 46 80333 München / DE | [N/P] |
Former [1989/43] | Diehl, Hermann, Dr. Dipl.-Phys., et al DIEHL, GLÄSER, HILTL & PARTNER Patentanwälte Flüggenstrasse 13 D-80639 München / DE | ||
Former [1986/24] | Diehl, Hermann O. Th., Dr. Diehl, Glaeser, Hiltl & Partner Postfach 19 03 65 D-80603 München / DE | Application number, filing date | 85114367.7 | 12.11.1985 | [1986/24] | Priority number, date | JP19840236661 | 12.11.1984 Original published format: JP 23666184 | [1986/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0184034 | Date: | 11.06.1986 | Language: | EN | [1986/24] | Type: | A3 Search report | No.: | EP0184034 | Date: | 04.05.1988 | Language: | EN | [1988/18] | Type: | B1 Patent specification | No.: | EP0184034 | Date: | 16.01.1991 | Language: | EN | [1991/03] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.03.1988 | Classification | IPC: | G11B5/62, G11B5/64, G11B5/708, G11B11/03, G11C13/06 | [1988/17] | CPC: |
G11B5/657 (EP,US);
Y10S428/90 (EP,US);
Y10S428/928 (EP,US);
Y10T428/26 (EP,US);
Y10T428/265 (EP,US)
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Former IPC [1986/24] | G11B5/62 | Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL, SE [1986/24] | Title | German: | Senkrecht magnetisiertes Aufzeichnungsmedium und Verfahren zu seiner Herstellung | [1986/24] | English: | Perpendicular magnetic recording medium and method of producing same | [1986/24] | French: | Milieu d'enregistrement magnétique perpendiculaire et sa méthode de fabrication | [1986/24] | Examination procedure | 24.10.1988 | Examination requested [1988/51] | 16.05.1989 | Despatch of a communication from the examining division (Time limit: M04) | 14.09.1989 | Reply to a communication from the examining division | 08.11.1989 | Despatch of communication of intention to grant (Approval: No) | 03.05.1990 | Despatch of communication of intention to grant (Approval: later approval) | 13.07.1990 | Communication of intention to grant the patent | 17.10.1990 | Fee for grant paid | 17.10.1990 | Fee for publishing/printing paid | Opposition(s) | 17.10.1991 | No opposition filed within time limit [1992/02] | Fees paid | Renewal fee | 27.11.1987 | Renewal fee patent year 03 | 24.10.1988 | Renewal fee patent year 04 | 30.11.1989 | Renewal fee patent year 05 | 19.10.1990 | 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 | EP0051296 [ ] (DAIDO STEEL CO LTD [JP]) | [ ] - PATENT ABSTRACTS OF JAPAN, Unexamined Applications, E Section, Vol. 2, No. 32, February 28, 1978 The Patent Office Japanese Government page 12 353 E 77 * Kokai-No. 52-153 409 (Mitsubishi Denki K.K.) * | [ ] - PATENT ABSTRACTS OF JAPAN, Unexamined Applications, E Section, Vol. 1, No. 98, August 31, 1977 The Patent Office Japanese Government page 2 882 E 77 * Kokai-No. 52-31 703 (Kokusai Denshindenwa K.K.) * | [ ] - PATENT ABSTRACTS OF JAPAN, Unexamined Applications, E Section, Vol. 1, No. 117, October 6, 1977 The Patent Office Japanese Government page 4 696 E 77 * Kokai-No. 52-50 203 (Kokusai Denshin Denwa K.K.) * |