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EP0070005
European procedure
Extract from the Register of European Patents
EP About this file: EP0070005
| EP0070005 - Hydraulic fluid circuit of hydraulic shovel [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.12.1986 Database last updated on 08.04.2026 | Most recent event Tooltip | 15.08.2008 | Change - representative | published on 17.09.2008 [2008/38] | Applicant(s) | For all designated states HITACHI CONSTRUCTION MACHINERY CO., LTD. 2-10, Uchikanda-1-chome Chiyoda-ku Tokyo 101 / JP | [N/P] |
| Former [1983/03] | For all designated states HITACHI CONSTRUCTION MACHINERY CO., LTD. 2-10, Uchikanda-1-chome Chiyoda-ku Tokyo 101 / JP | Inventor(s) | 01 /
Yagyu, Takashi 596-251, Ushiku Ushikumachi Inashiki-gun Ibaraki-ken / JP | 02 /
Yamaguchi, Takeshi 3-13, Otsutominami-2-chome Tsuchiura-shi / JP | 03 /
Tanaka, Sotaro 24-19, Kariya-5-chome Ushikumchi Inashiki-gun Ibaraki-ken / JP | 04 /
Sakaki, Yasuo 2625, Shimoinayoshi Chiyodamura Niihari-gun Ibaraki-ken / JP | [1983/03] | Representative(s) | Beetz & Partner mbB Patentanwälte Prinzregentenstraße 54 80538 München / DE | [N/P] |
| Former [2008/38] | Beetz & Partner Patentanwälte Steinsdorfstrasse 10 80538 München / DE | ||
| Former [1983/03] | Patentanwälte Beetz - Timpe - Siegfried Schmitt-Fumian - Mayr Steinsdorfstrasse 10 D-80538 München / DE | Application number, filing date | 82106156.1 | 09.07.1982 | [1983/03] | Priority number, date | JP19810101830U | 10.07.1981 Original published format: JP 10183081 U | [1983/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0070005 | Date: | 19.01.1983 | Language: | EN | [1983/03] | Type: | B1 Patent specification | No.: | EP0070005 | Date: | 19.02.1986 | Language: | EN | [1986/08] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.10.1982 | Classification | IPC: | F15B11/16, E02F9/22 | [1983/03] | CPC: |
E02F9/2239 (EP,US);
E02F9/2292 (EP,US);
F15B11/17 (EP,US);
F15B2211/20576 (EP,US);
F15B2211/30505 (EP,US);
F15B2211/30565 (EP,US);
| Designated contracting states | DE, FR [1983/03] | Title | German: | Hydraulikölkreislauf eines Hydraulikschaufelladers | [1983/03] | English: | Hydraulic fluid circuit of hydraulic shovel | [1983/03] | French: | Circuit de fluide hydraulique d'un excavateur hydraulique | [1983/03] | Examination procedure | 31.05.1983 | Examination requested [1983/32] | 27.06.1984 | Despatch of a communication from the examining division (Time limit: M06) | 03.01.1985 | Reply to a communication from the examining division | 08.05.1985 | Despatch of communication of intention to grant (Approval: ) | 16.08.1985 | Communication of intention to grant the patent | 06.11.1985 | Fee for grant paid | 06.11.1985 | Fee for publishing/printing paid | Opposition(s) | 21.11.1986 | No opposition filed within time limit [1987/06] | Fees paid | Renewal fee | 31.07.1984 | Renewal fee patent year 03 | 25.07.1985 | Renewal fee patent year 04 |
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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] JP51148171 | [A] Patent Abstracts of Japan, Vol. 1, No. 40, 21 April 1977, page 2543M76, & JP-A-51 148 171 [A] |