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EP0090579
European procedure
Extract from the Register of European Patents
EP About this file: EP0090579
| EP0090579 - Surge-absorberless vacuum circuit interrupter [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.04.1989 Database last updated on 08.04.2026 | Most recent event Tooltip | 24.04.1989 | No opposition filed within time limit | published on 14.06.1989 [1989/24] | Applicant(s) | For all designated states Hitachi, Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1983/40] | For all designated states Hitachi, Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Watanabe, Ryuji 2650-75 Muramatsu Toukai-mura Naka-gun Ibaraki-ken / JP | 02 /
Ando, Hisashi 2672-178, Kanesawa-cho Hitachi-shi Ibaraki-ken / JP | 03 /
Kuniya, Keiichi 1-24-10, Nishinarusawa-cho Hitachi-shi Ibaraki-ken / JP | 04 /
Kurosawa, Yukio 3-9-3, Nakanarusawa-cho Hitachi-shi Ibaraki-ken / JP | [1983/40] | Representative(s) | Ellis, Edward Lovell, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | [1983/40] | Application number, filing date | 83301587.8 | 22.03.1983 | [1983/40] | Priority number, date | JP19820047423 | 26.03.1982 Original published format: JP 4742382 | [1983/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0090579 | Date: | 05.10.1983 | Language: | EN | [1983/40] | Type: | A3 Search report | No.: | EP0090579 | Date: | 11.07.1984 | Language: | EN | [1984/28] | Type: | B1 Patent specification | No.: | EP0090579 | Date: | 29.06.1988 | Language: | EN | [1988/26] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.05.1984 | Classification | IPC: | H01H33/66, H01H1/02 | [1988/26] | CPC: |
H01H33/664 (EP,US);
H01H1/0203 (EP,US);
H01H1/0233 (EP,US)
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| Former IPC [1983/40] | H01H33/66 | Designated contracting states | CH, DE, FR, GB, IT, LI, NL, SE [1983/40] | Title | German: | Vakuumschalter ohne Überspannungsdämpfer | [1983/40] | English: | Surge-absorberless vacuum circuit interrupter | [1983/40] | French: | Interrupteur à vide sans amortisseur de surtension | [1983/40] | Examination procedure | 06.05.1983 | Examination requested [1983/40] | 01.08.1985 | Despatch of a communication from the examining division (Time limit: M06) | 16.12.1985 | Reply to a communication from the examining division | 30.01.1986 | Despatch of a communication from the examining division (Time limit: M06) | 07.08.1986 | Reply to a communication from the examining division | 22.09.1986 | Despatch of a communication from the examining division (Time limit: M04) | 09.02.1987 | Reply to a communication from the examining division | 25.08.1987 | Despatch of communication of intention to grant (Approval: ) | 11.12.1987 | Communication of intention to grant the patent | 25.01.1988 | Fee for grant paid | 25.01.1988 | Fee for publishing/printing paid | Opposition(s) | 30.03.1989 | No opposition filed within time limit [1989/24] | Request for further processing for: | 04.03.1987 | Request for further processing filed | 04.03.1987 | Full payment received (date of receipt of payment) Request granted | 23.03.1987 | Decision despatched | Fees paid | Renewal fee | 20.03.1985 | Renewal fee patent year 03 | 20.03.1986 | Renewal fee patent year 04 | 20.03.1987 | Renewal fee patent year 05 | 18.03.1988 | Renewal fee patent year 06 |
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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] IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, vol. 1A-8, no. 4, July/August 1972, pages 412-417, New York (USA);D.R.KURTZ et a. "General guidelines for vacuum circuit breaker application" [A] |