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EP0075922
European procedure
Extract from the Register of European Patents
EP About this file: EP0075922
| EP0075922 - Ground test switch for insulated switchgear [Right-click to bookmark this link] | |||
| Former [1983/14] | Ground test switch for gas insulated switchgear | ||
| [1989/06] | Status | No opposition filed within time limit Status updated on 07.12.1989 Database last updated on 28.03.2026 | Most recent event Tooltip | 07.12.1989 | No opposition filed within time limit | published on 24.01.1990 [1990/04] | Applicant(s) | For all designated states Hitachi, Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1983/14] | For all designated states Hitachi, Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Nakano, Haruji 1537-1, Kamezakucho Hitachiota-shi / JP | 02 /
Miwada, Satoshi 1519-13, Tokaimura Naka-gun Ibaraki-ken / JP | [1983/14] | Representative(s) | Strehl, Peter, et al Patentanwälte Strehl Schübel-Hopf & Partner Maximilianstrasse 54 80538 München / DE | [N/P] |
| Former [1983/14] | Strehl, Peter, Dipl.-Ing., et al Patentanwälte Strehl Schübel-Hopf Groening u. Partner Postfach 22 14 55 D-80504 München / DE | Application number, filing date | 82108944.8 | 27.09.1982 | [1983/14] | Priority number, date | JP19810153626 | 30.09.1981 Original published format: JP 15362681 | [1983/14] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0075922 | Date: | 06.04.1983 | Language: | EN | [1983/14] | Type: | A3 Search report | No.: | EP0075922 | Date: | 18.09.1985 | Language: | EN | [1985/38] | Type: | B1 Patent specification | No.: | EP0075922 | Date: | 08.02.1989 | Language: | EN | [1989/06] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.07.1985 | Classification | IPC: | H01H9/20 | [1983/14] | CPC: |
H01H9/20 (EP,KR,US);
H02B13/075 (EP,US)
| Designated contracting states | CH, DE, FR, LI, SE [1983/14] | Title | German: | Erdungs-Prüfschalter für isolierte Schaltanlagen | [1989/06] | English: | Ground test switch for insulated switchgear | [1989/06] | French: | Interrupteur de mise à la terre et d'essai pour appareillage de commutation | [1983/14] |
| Former [1983/14] | Erdungs- und Prüfschalter für gasisolierte Schaltanlage | ||
| Former [1983/14] | Ground test switch for gas insulated switchgear | Examination procedure | 20.12.1984 | Examination requested [1985/11] | 27.11.1986 | Despatch of a communication from the examining division (Time limit: M04) | 07.04.1987 | Reply to a communication from the examining division | 02.02.1988 | Despatch of communication of intention to grant (Approval: No) | 27.07.1988 | Despatch of communication of intention to grant (Approval: later approval) | 11.08.1988 | Communication of intention to grant the patent | 28.10.1988 | Fee for grant paid | 28.10.1988 | Fee for publishing/printing paid | Opposition(s) | 09.11.1989 | No opposition filed within time limit [1990/04] | Fees paid | Renewal fee | 28.09.1984 | Renewal fee patent year 03 | 30.09.1985 | Renewal fee patent year 04 | 30.09.1986 | Renewal fee patent year 05 | 30.09.1987 | Renewal fee patent year 06 | 30.09.1988 | Renewal fee patent year 07 |
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