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EP0489326
European procedure
Extract from the Register of European Patents
EP About this file: EP0489326
| EP0489326 - Cooling system of electronic computer [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 31.03.2000 Database last updated on 17.05.2024 | Most recent event Tooltip | 31.03.2000 | No opposition filed within time limit | published on 17.05.2000 [2000/20] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo 101 / JP | [N/P] |
| Former [1999/21] | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 / JP | ||
| Former [1992/24] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 / JP | Inventor(s) | 01 /
Ohashi, Shigeo 3-28, Komatsu-1-chome Tsuchiura-shi / JP | 02 /
Nakajima, Tadakatsu 1975-2, Shimoinayoshi, Chiyodamura Niihari-gun, Ibaraki-ken / JP | 03 /
Kuwahara, Heikichi 213-140, Hakari, Minorimachi Higashiibaraki-gun, Ibaraki-ken / JP | 04 /
Hatada, Toshio 4-53, Kandatsuchuo-3-chome Tsuchiura-shi / JP | 05 /
Matsushima, Hitoshi 5-14-5, Nagayama Ryugasaki-shi / JP | 06 /
Sato, Motohiro 243-9, Hakari, Minorimachi Higashiibaraki-gun, Ibaraki-ken / JP | 07 /
Inouye, Hiroshi 213-62, Hakari, Minorimachi Higashiibaraki-gun, Ibaraki-ken / JP | 08 /
Ohba, Takao 1809-7, Bodai Hadano-shi / JP | 09 /
Yamagiwa, Akira 2-2-303, Minamigaoka-2-chome Hadano-shi / JP | [1992/24] | Representative(s) | Beetz & Partner mbB Patentanwälte Prinzregentenstraße 54 80538 München / DE | [N/P] |
| Former [1994/11] | Patentanwälte Beetz - Timpe - Siegfried Schmitt-Fumian - Mayr Steinsdorfstrasse 10 D-80538 München / DE | ||
| Former [1992/24] | Patentanwälte Beetz - Timpe - Siegfried Schmitt-Fumian - Mayr Steinsdorfstrasse 10 D-80538 München / DE | Application number, filing date | 91120034.3 | 25.11.1991 | [1992/24] | Priority number, date | JP19900322823 | 28.11.1990 Original published format: JP 32282390 | [1992/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0489326 | Date: | 10.06.1992 | Language: | EN | [1992/24] | Type: | A3 Search report | No.: | EP0489326 | Date: | 30.06.1993 | Language: | EN | [1993/26] | Type: | B1 Patent specification | No.: | EP0489326 | Date: | 26.05.1999 | Language: | EN | [1999/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.05.1993 | Classification | IPC: | G06F1/20, H05K7/20 | [1993/26] | CPC: |
H05K7/208 (EP,US);
H05K7/20 (KR);
F28D15/0233 (EP,US);
F28D15/0275 (EP,US);
G06F1/20 (EP,US);
G06F1/206 (EP,US);
|
| Former IPC [1992/24] | G06F1/20 | Designated contracting states | DE, FR, GB [1992/24] | Title | German: | Elektronisches-Computer-Kühlsystem | [1992/24] | English: | Cooling system of electronic computer | [1992/24] | French: | Système de refroidissement d'un ordinateur électrique | [1992/24] | Examination procedure | 21.05.1993 | Examination requested [1993/29] | 17.03.1997 | Despatch of a communication from the examining division (Time limit: M06) | 26.09.1997 | Reply to a communication from the examining division | 13.02.1998 | Despatch of a communication from the examining division (Time limit: M04) | 16.06.1998 | Reply to a communication from the examining division | 07.09.1998 | Despatch of communication of intention to grant (Approval: Yes) | 27.11.1998 | Communication of intention to grant the patent | 17.02.1999 | Fee for grant paid | 17.02.1999 | Fee for publishing/printing paid | Opposition(s) | 29.02.2000 | No opposition filed within time limit [2000/20] | Fees paid | Renewal fee | 26.11.1993 | Renewal fee patent year 03 | 29.11.1994 | Renewal fee patent year 04 | 30.11.1995 | Renewal fee patent year 05 | 29.11.1996 | Renewal fee patent year 06 | 27.11.1997 | Renewal fee patent year 07 | 27.11.1998 | Renewal fee patent year 08 |
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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]JP1296061 ; | [A]JP2196454 ; | [X]US4546619 (ROHNER THOMAS G [US]); | [X]US4812733 (TOBEY RICHARD [US]); | [A]AU503641B (CONTROL DATA CORP) | [Y] - RESEARCH DISCLOSURE NO 28905 no. 289, May 1988, HAVANT GB page 263 'Cooling Packet for Electronic Components' | [Y] - FUJITSU-SCIENTIFIC AND TECHNICAL JOURNAL vol. 15, no. 3, 1979, KAWASAKI JP pages 47 - 62 YAMAMOTO H. ET AL 'Limitation on Forced Air Cooling in High Speed Computers' | [Y] - IBM TECHNICAL DISCLOSURE BULLETIN vol. 32, no. 5A, October 1989, NEW YORK US page 222 'REGULATION OF HUMIDITY IN MEMORY DEVICES' | [Y] - PATENT ABSTRACTS OF JAPAN vol. 014, no. 083 (M-0936)16 February 1990 & JP-A-1 296 061 ( MITSUBISHI ELECTRIC CORP ) 29 November 1989, & JP1296061 A 19891129 | [Y] - IBM TECHNICAL DISCLOSURE BULLETIN vol. 33, no. 1A, June 1990, NEW YORK US pages 254 - 255 'LOW TEMPERATURE COMPUTER PACKAGE WITH MULTIPLE THERMAL ZONES' | [A] - RESEARCH DISCLOSURE NO 30976 no. 309, January 1990, HAVANT GB page 55 'Thermal Control Scheme for Boiling Cooling of Chips with Attached Extended Surfaces' | [A] - PATENT ABSTRACTS OF JAPAN vol. 014, no. 476 (E-991)17 October 1990 & JP-A-2 196 454 ( HITACHI LTD ) 3 August 1990, & JP2196454 A 19900803 | [A] - IBM TECHNICAL DISCLOSURE BULLETIN vol. 8, no. 11, April 1966, NEW YORK US page 1692 CHU R. C. 'COUNTER-FLOW COOLING SYSTEM' |