EP0656481 - Hydraulic control system for construction machines [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.05.1997 Database last updated on 17.08.2024 | Most recent event Tooltip | 16.05.1997 | No opposition filed within time limit | published on 02.07.1997 [1997/27] | Applicant(s) | For all designated states Hitachi Construction Machinery Co., Ltd. 6-2, Ohtemachi 2-chome Chiyoda-ku Tokyo 100-0004 / JP | [N/P] |
Former [1995/23] | For all designated states HITACHI CONSTRUCTION MACHINERY CO., LTD. 6-2, Ohtemachi 2-chome Chiyoda-ku Tokyo 100 / JP | Inventor(s) | 01 /
Toyooka, Tsukasa 374-126, Yamano, Ogawamachi Higashiibaraki-gun, Ibaraki-ken / JP | 02 /
Hirata, Toichi 203, Sakaecho 4-chome, Ushiku-shi Ibaraki-ken / JP | 03 /
Sugiyama, Genroku 2337, Miho-mura, Inashiki-gun Ibaraki-ken / JP | 04 /
Tatsumi, Akira 22-4, Yushima 2-chome, Bunkyo-ku Tokyo / JP | [1995/23] | Representative(s) | Beetz & Partner mbB Patentanwälte Prinzregentenstraße 54 80538 München / DE | [N/P] |
Former [1995/23] | Patentanwälte Beetz - Timpe - Siegfried Schmitt-Fumian - Mayr Steinsdorfstrasse 10 D-80538 München / DE | Application number, filing date | 94118865.8 | 30.11.1994 | [1995/23] | Priority number, date | JP19930303019 | 02.12.1993 Original published format: JP 30301993 | [1995/23] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0656481 | Date: | 07.06.1995 | Language: | EN | [1995/23] | Type: | B1 Patent specification | No.: | EP0656481 | Date: | 10.07.1996 | Language: | EN | [1996/28] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.03.1995 | Classification | IPC: | F15B13/02, E02F9/22 | [1995/23] | CPC: |
E02F9/2246 (EP,US);
F15B11/00 (KR);
E02F9/22 (KR);
E02F9/2217 (EP,US);
E02F9/2296 (EP,US);
F15B11/024 (EP,US);
F15B2011/0243 (EP,US);
F15B2211/20523 (EP,US);
F15B2211/20546 (EP,US);
F15B2211/20576 (EP,US);
F15B2211/30505 (EP,US);
F15B2211/30525 (EP,US);
F15B2211/3058 (EP,US);
F15B2211/3116 (EP,US);
F15B2211/31576 (EP,US);
F15B2211/329 (EP,US);
F15B2211/40515 (EP,US);
F15B2211/41554 (EP,US);
F15B2211/428 (EP,US);
F15B2211/45 (EP,US);
F15B2211/575 (EP,US);
F15B2211/6309 (EP,US);
F15B2211/6346 (EP,US);
F15B2211/6651 (EP,US);
| Designated contracting states | DE, GB, IT [1996/20] |
Former [1995/23] | DE, FR, GB, IT, SE | Title | German: | Hydraulische Steuereinrichtung für Baumaschinen | [1995/23] | English: | Hydraulic control system for construction machines | [1995/23] | French: | Système de commande hydraulique pour machines de construction | [1995/23] | Examination procedure | 29.03.1995 | Examination requested [1995/23] | 04.10.1995 | Despatch of communication of intention to grant (Approval: Yes) | 04.01.1996 | Communication of intention to grant the patent | 27.03.1996 | Fee for grant paid | 27.03.1996 | Fee for publishing/printing paid | Opposition(s) | 11.04.1997 | No opposition filed within time limit [1997/27] |
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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 | [A]JPH03117704 ; | [A]EP0445703 (HITACHI CONSTRUCTION MACHINERY [JP], et al) [A] 1 * the whole document *; | [A]EP0262098 (CHS VICKERS SPA [IT]) [A] 1 * figures 1-5; claim 1 *; | [A]US5226348 (DEZELAN JOSEPH E [US], et al) [A] 1 * figure 1 *; | [A]GB2227295 (BAXTER MICHAEL DAVID) [A] 1 * figures 1-4; claim 1 * | [A] - PATENT ABSTRACTS OF JAPAN, (19910812), vol. 15, no. 314, Database accession no. (M - 1145), & JP03117704 A 19910520 (YUTANI HEAVY IND.) [A] 1 * abstract * |