EP0381328 - Oil hydraulic circuit for hydraulic machine such as a shovel [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.03.1995 Database last updated on 24.08.2024 | Most recent event Tooltip | 30.03.1995 | No opposition filed within time limit | published on 17.05.1995 [1995/20] | Applicant(s) | For all designated states KABUSHIKI KAISHA KOBE SEIKO SHO 3-18 Wakinohama-cho 1-chome Chuo-ku Kobe 651 / JP | [N/P] |
Former [1990/32] | For all designated states KABUSHIKI KAISHA KOBE SEIKO SHO 3-18 Wakinohama-cho 1-chome Chuo-ku Kobe 651 / JP | Inventor(s) | 01 /
Fujii, Kazuhiko 6-14-1, Aita, Asaminami-ku Hiroshima-shi, Hiroshima-ken / JP | 02 /
Kubomoto, Wataru 6-4-63, Itsukaichi, Saeki-ku Hiroshima-shi, Hiroshima-ken / JP | 03 /
Shimokakiuchi, Hiroshi 7-14-29, Midorii, Asaminami-ku Hiroshima-shi, Hiroshima-ken / JP | 04 /
Kouchi, Sumio 1264-91, Tomo, Numato-cho, Asaminami-ku Hiroshima-shi, Hiroshima-ken / JP | [1990/32] | Representative(s) | Blake, John Henry Francis, et al Brookes Batchellor 1 Boyne Park Tunbridge Wells Kent TN4 8EL / GB | [N/P] |
Former [1993/21] | Blake, John Henry Francis, et al BROOKES AND MARTIN High Holborn House 52/54 High Holborn London WC1V 6SE / GB | ||
Former [1990/32] | Wright, Hugh Ronald Brookes & Martin 52/54 High Holborn London WC1V 6SE / GB | Application number, filing date | 90300440.6 | 16.01.1990 | [1990/32] | Priority number, date | JP19890023470 | 31.01.1989 Original published format: JP 2347089 | [1990/32] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0381328 | Date: | 08.08.1990 | Language: | EN | [1990/32] | Type: | A3 Search report | No.: | EP0381328 | Date: | 24.04.1991 | Language: | EN | [1991/17] | Type: | B1 Patent specification | No.: | EP0381328 | Date: | 25.05.1994 | Language: | EN | [1994/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.03.1991 | Classification | IPC: | F15B11/16 | [1990/32] | CPC: |
E02F9/2242 (EP,US);
E02F3/16 (KR);
E02F9/20 (KR);
E02F9/2292 (EP,US)
| Designated contracting states | DE, ES, FR, GB, IT, NL [1990/32] | Title | German: | Ölhydraulikkreis für eine hydraulische Maschine, z.B. einen Löffelbagger | [1990/32] | English: | Oil hydraulic circuit for hydraulic machine such as a shovel | [1990/32] | French: | Circuit hydraulique d'huile pour une machine hydraulique comme une pelle | [1990/32] | Examination procedure | 30.01.1990 | Examination requested [1990/32] | 19.05.1993 | Despatch of a communication from the examining division (Time limit: M04) | 26.07.1993 | Reply to a communication from the examining division | 29.09.1993 | Despatch of communication of intention to grant (Approval: No) | 09.11.1993 | Despatch of communication of intention to grant (Approval: later approval) | 19.11.1993 | Communication of intention to grant the patent | 03.02.1994 | Fee for grant paid | 03.02.1994 | Fee for publishing/printing paid | Opposition(s) | 28.02.1995 | No opposition filed within time limit [1995/20] | Fees paid | Renewal fee | 21.01.1992 | Renewal fee patent year 03 | 30.10.1992 | Renewal fee patent year 04 | 13.01.1994 | Renewal fee patent year 05 |
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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]EP0277602 (FENDT & CO XAVER [DE]); | [X]US4142445 (LOHBAUER KENNETH R); | [X]DD209881 (PRUSSEIT PETER, et al); | [A]US3972185 (MEDINA GLENN J); | [A]DE3221160 (REXROTH MANNESMANN GMBH [DE]); | [A]DE3406228 (REXROTH MANNESMANN GMBH [DE]) | [A] - OELHYDRAULIK & PNEUMATIK vol. 30, no. 9, 1986, pages 644-654, Mainz, DE; W. KLOTZBUECHER: "Auslegung von Hydrauliksystemen nach energetischen Gesichtspunkten unter Berücksichtigung des Lastkollektivs" | [A] - MASCHINENMARKT vol. 91, no. 24, 1985, pages 404,405, Würzburg, DE; W. ROEHRS et al.: "Den Leistungsgrad optimieren mit Load-Sensing-Ventilen" |