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EP0090543
European procedure
Extract from the Register of European Patents
EP About this file: EP0090543
| EP0090543 - Differential amplifier with improved linear amplification [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.12.1986 Database last updated on 09.04.2026 | Most recent event Tooltip | 02.12.1986 | No opposition filed within time limit | published on 21.01.1987 [1987/04] | Applicant(s) | For all designated states FUJITSU LIMITED 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi Kanagawa 211 / JP | [N/P] |
| Former [1983/40] | For all designated states FUJITSU LIMITED 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi, Kanagawa 211 / JP | Inventor(s) | 01 /
Sano, Yoshiaki Azamino-danchi 6-103 3, Azamino 4-chome Midori-ku Yokohama-shi Kanagawa 227 / JP | [1983/40] | Representative(s) | Skone James, Robert Edmund, et al Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES / GB | [N/P] |
| Former [1983/40] | Skone James, Robert Edmund, et al GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH / GB | Application number, filing date | 83301420.2 | 15.03.1983 | [1983/40] | Priority number, date | JP19820050094 | 30.03.1982 Original published format: JP 5009482 | [1983/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0090543 | Date: | 05.10.1983 | Language: | EN | [1983/40] | Type: | B1 Patent specification | No.: | EP0090543 | Date: | 05.02.1986 | Language: | EN | [1986/06] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.07.1983 | Classification | IPC: | H03F1/32, H03F3/45 | [1983/40] | CPC: |
H03F1/3211 (EP,US)
| Designated contracting states | DE, FR, GB [1983/40] | Title | German: | Linear arbeitender Differenzverstärker | [1983/40] | English: | Differential amplifier with improved linear amplification | [1983/40] | French: | Amplificateur différentiel à amplification linéaire | [1983/40] | Examination procedure | 17.02.1984 | Examination requested [1984/17] | 26.04.1985 | Despatch of communication of intention to grant (Approval: ) | 29.07.1985 | Communication of intention to grant the patent | 18.10.1985 | Fee for grant paid | 18.10.1985 | Fee for publishing/printing paid | Opposition(s) | 06.11.1986 | No opposition filed within time limit [1987/04] | Fees paid | Renewal fee | 13.03.1985 | Renewal fee patent year 03 |
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