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EP0408391
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EP About this file: EP0408391
| EP0408391 - Computer system having network interconnected workstations [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 06.12.1996 Database last updated on 07.04.2026 | Most recent event Tooltip | 06.12.1996 | Application deemed to be withdrawn | published on 22.01.1997 [1997/04] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo 101 / JP | [N/P] |
| Former [1991/03] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 / JP | Inventor(s) | 01 /
Matsumoto, Hidekazu 22 -5, Daihara-cho 2-chome Hitachi-shi, Ibaraki 316 / JP | 02 /
Tanifuji, Shinya 20-1 Daihara-cho 2-chome Hitachi-shi, Ibaraki 316 / JP | 03 /
Orita, Miyahiko 17-1 Moriyama-cho 3-chome Hitachi-shi, Ibaraki 316 / JP | 04 /
Takahashi, Satoko 17-1-403 Moriyama-cho 3-chome Hitachi-shi, Ibaraki 316 / JP | 05 /
Kawakami, Junzo 449-61 Miwa 1-chome Mito-shi, Ibaraki 310 / JP | 06 /
Takei, Kazuo 35-7 Minamidai, Toukai-mura Naka-gun, Ibaraki 319-11 / JP | 07 /
Morioka, Takayuki 16-4 Higashiooshima 3-chome Katsuta-shi, Ibaraki 312 / JP | 08 /
Miyagaki, Hisanori 3234-4 Uchibori-cho Hitachioota-shi, Ibaraki 313 / JP | [1991/03] | Representative(s) | Calderbank, Thomas Roger, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [1991/03] | Calderbank, Thomas Roger, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 90307711.3 | 13.07.1990 | [1991/03] | Priority number, date | JP19890180356 | 14.07.1989 Original published format: JP 18035689 | [1991/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0408391 | Date: | 16.01.1991 | Language: | EN | [1991/03] | Type: | A3 Search report | No.: | EP0408391 | Date: | 19.11.1992 | Language: | EN | [1992/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.09.1992 | Classification | IPC: | G06F15/16 | [1991/03] | CPC: |
G06F9/452 (EP);
H04L69/00 (EP)
| Designated contracting states | DE, GB [1991/03] | Title | German: | Rechnersystem mit im Netzwerk zusammengeschalteten Arbeitsplätzen | [1991/03] | English: | Computer system having network interconnected workstations | [1991/03] | French: | Système d'ordinateur ayant des places de travail interconnectées en réseau | [1991/03] | File destroyed: | 20.04.2002 | Examination procedure | 03.09.1990 | Examination requested [1991/03] | 12.01.1996 | Despatch of a communication from the examining division (Time limit: M06) | 23.07.1996 | Application deemed to be withdrawn, date of legal effect [1997/04] | 22.08.1996 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1997/04] | Fees paid | Renewal fee | 22.07.1992 | Renewal fee patent year 03 | 26.07.1993 | Renewal fee patent year 04 | 22.07.1994 | Renewal fee patent year 05 | 21.07.1995 | Renewal fee patent year 06 | Penalty fee | Additional fee for renewal fee | 31.07.1996 | 07 M06 Not yet paid |
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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 | [X] PROCEEDINGS OF THE 2ND IEEE CONFERENCE ON COMPUTER WORKSTATIONS 7 March 1988, SANTA CLARA, CA, US pages 52 - 58; J. R. ENSOR ET AL.: 'The Rapport Multimedia Conferencing System - A Software Overview' [X] | [X] ACM TRANSACTIONS ON GRAPHICS vol. 5, no. 2, April 1986, US pages 79 - 109; R. W. SCHLEIFLER ET AL: 'The X Window System' [X] | [X] ROBERT W. SCHLEIFLER, JAMES GETTYS & RON NEWMAN 'X Window System' 1988 , DIGITAL PRESS , US [X] |