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EP0403973
European procedure
Extract from the Register of European Patents
EP About this file: EP0403973
| EP0403973 - Ring network switching control device [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 05.07.1996 Database last updated on 03.09.2024 | Most recent event Tooltip | 05.07.1996 | No opposition filed within time limit | published on 21.08.1996 [1996/34] | Applicant(s) | For all designated states FUJITSU LIMITED 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi Kanagawa 211 / JP | [N/P] |
| Former [1990/52] | For all designated states FUJITSU LIMITED 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi, Kanagawa 211 / JP | Inventor(s) | 01 /
Matsushita, Akihiro 980, Amagaya Oyama-shi, Tochigi, 323 / JP | 02 /
Takemura, Shinya 420-8, Ohaza Inuzuka Oyama-shi, Tochigi, 323 / JP | 03 /
Watanabe, Toshio 335-28, Orimoto Shimodate-shi, Ibaragi, 308 / JP | 04 /
Sakai, Shigeo 1417-25, Hitotonoya Oyama-shi, Tochigi, 323 / JP | 05 /
Fukuda, Nobuo 7-5-26, Nishihara Utsunomiya-shi, Tochigi, 320 / JP | [1990/52] | Representative(s) | von Fischern, Bernhard, et al Hoffmann - Eitle Patent- und Rechtsanwälte Arabellastrasse 4 81925 München / DE | [N/P] |
| Former [1990/52] | 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 | 90111330.8 | 15.06.1990 | [1990/52] | Priority number, date | JP19890153593 | 17.06.1989 Original published format: JP 15359389 | [1990/52] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0403973 | Date: | 27.12.1990 | Language: | EN | [1990/52] | Type: | A3 Search report | No.: | EP0403973 | Date: | 28.08.1991 | Language: | EN | [1991/35] | Type: | B1 Patent specification | No.: | EP0403973 | Date: | 30.08.1995 | Language: | EN | [1995/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.07.1991 | Classification | IPC: | H04L12/42, H04B1/74, H04L29/14 | [1990/52] | CPC: |
H04J14/0295 (EP,US);
H04J14/0283 (EP,US);
H04L12/437 (EP,US)
| Designated contracting states | DE, FR, GB [1990/52] | Title | German: | Schaltsteuervorrichtung für Ringnetz | [1990/52] | English: | Ring network switching control device | [1990/52] | French: | Dispositif de commande de commutation d'un réseau en anneau | [1990/52] | Examination procedure | 14.11.1991 | Examination requested [1992/02] | 20.10.1993 | Despatch of a communication from the examining division (Time limit: M06) | 07.04.1994 | Reply to a communication from the examining division | 07.10.1994 | Despatch of communication of intention to grant (Approval: Yes) | 15.02.1995 | Communication of intention to grant the patent | 27.04.1995 | Fee for grant paid | 27.04.1995 | Fee for publishing/printing paid | Opposition(s) | 31.05.1996 | No opposition filed within time limit [1996/34] | Fees paid | Renewal fee | 30.06.1992 | Renewal fee patent year 03 | 30.06.1993 | Renewal fee patent year 04 | 27.06.1994 | Renewal fee patent year 05 | 27.06.1995 | 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]JP59215152 ; | [X]US4648088 (CAGLE GEORGE C [US], et al); | [Y]GB2194713 (NIPPON TELEGRAPH & TELEPHONE, et al) | [Y] - I&CS, vol. 62, no. 5, May 1989, pages 103-106, Radnor, PA, US; R.A. BROWN: "Fiber optic LANs: Technology breakthroughs up their potential" | [Y] - PATENT ABSTRACTS OF JAPAN, vol. 9, no. 85 (E-308)[1808], 13th April 1985; & JP-A-59 215 152 (HITACHI DENSEN K.K.) 05-12-1984, & JP59215152 A 00000000 |