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EP0035379
European procedure
Extract from the Register of European Patents
EP About this file: EP0035379
| EP0035379 - A gate circuit for a thyristor and a thyristor having such a gate circuit [Right-click to bookmark this link] | |||
| Former [1981/36] | Gate circuit for thyristors and thyristor having such a gate circuit | ||
| [1984/26] | Status | No opposition filed within time limit Status updated on 29.04.1985 Database last updated on 03.09.2024 | Most recent event Tooltip | 29.04.1985 | No opposition filed within time limit | published on 03.07.1985 [1985/27] | Applicant(s) | For all designated states Hitachi, Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1981/36] | For all designated states Hitachi, Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Fukui, Hiroshi 1047-253 Moriyamacho Hitachi-shi / JP | 02 /
Kimura, Shin 1404-7 Ishinazakacho Hitachi-shi / JP | 03 /
Onda, Kenichi 161-424 Ishinazakacho Hitachi-shi / JP | 04 /
Amano, Hisao 336-18 Kijicho Hitachi-shi / JP | [1981/36] | Representative(s) | Paget, Hugh Charles Edward, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [1981/36] | Paget, Hugh Charles Edward, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 81300812.5 | 26.02.1981 | [1981/36] | Priority number, date | JP19800024849 | 28.02.1980 Original published format: JP 2484980 | [1981/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0035379 | Date: | 09.09.1981 | Language: | EN | [1981/36] | Type: | B1 Patent specification | No.: | EP0035379 | Date: | 27.06.1984 | Language: | EN | [1984/26] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.06.1981 | Classification | IPC: | H02M1/08, H03K17/72 | [1981/36] | CPC: |
H03K17/73 (EP,US);
H02M1/08 (EP,US)
| Designated contracting states | DE, GB [1984/26] |
| Former [1981/49] | DE, GB, SE | ||
| Former [1981/36] | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE | Title | German: | Eine Schaltung zur Gateansteuerung für einen Thyristor und ein Thyristor mit einer solchen Schaltung | [1984/26] | English: | A gate circuit for a thyristor and a thyristor having such a gate circuit | [1984/26] | French: | Un circuit de commande de gâchette pour un thyristor et un thyristor avec un tel circuit | [1984/26] |
| Former [1981/36] | Schaltung zur Gateansteuerung für Thyristoren und Thyristor mit einer solchen Schaltung | ||
| Former [1981/36] | Gate circuit for thyristors and thyristor having such a gate circuit | ||
| Former [1981/36] | Circuit de commande de gâchette pour thyristors et thyristor avec un tel circuit | File destroyed: | 12.06.1999 | Examination procedure | 25.06.1981 | Despatch of communication of loss of particular rights: designated state(s) AT, BE, CH, FR, IT, LU, NL | 07.09.1981 | Loss of particular rights, legal effect: designated state(s) | 19.02.1982 | Examination requested [1982/18] | 03.02.1983 | Despatch of a communication from the examining division (Time limit: M04) | 06.06.1983 | Reply to a communication from the examining division | 19.09.1983 | Despatch of communication of intention to grant (Approval: ) | 13.12.1983 | Communication of intention to grant the patent | 04.02.1984 | Fee for grant paid | 04.02.1984 | Fee for publishing/printing paid | Opposition(s) | 28.03.1985 | No opposition filed within time limit [1985/27] | Fees paid | Renewal fee | 16.02.1983 | Renewal fee patent year 03 | 18.02.1984 | Renewal fee patent year 04 | Penalty fee | Penalty fee Rule 85a EPC 1973 | 26.03.1981 | AT M02 Not yet paid | 26.03.1981 | BE M02 Not yet paid | 26.03.1981 | CH M02 Not yet paid | 26.03.1981 | FR M02 Not yet paid | 26.03.1981 | IT M02 Not yet paid | 26.03.1981 | LU M02 Not yet paid | 26.03.1981 | NL M02 Not yet paid |
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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 | DD51927 [ ]; | [X]US3728557 (PELLY B, et al); | [X]US3781572 (SHUEY K, et al); | DE2062814 [ ]; | [P]DE2951115 (TOKYO SHIBAURA ELECTRIC CO); | [P]DE3015198 (TOKYO SHIBAURA ELECTRIC CO) |