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EP0133387
European procedure
Extract from the Register of European Patents
EP About this file: EP0133387
| EP0133387 - Switched capacitor filter with a repetitive structure [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.04.1989 Database last updated on 11.04.2026 | Most recent event Tooltip | 14.04.1989 | No opposition filed within time limit | published on 31.05.1989 [1989/22] | Applicant(s) | For all designated states SGS-THOMSON MICROELECTRONICS S.A. 101 Boulevard Murat 75016 Paris / FR | [N/P] |
| Former [1988/13] | For all designated states SGS-THOMSON MICROELECTRONICS S.A. 101 Boulevard Murat F-75016 Paris / FR | ||
| Former [1985/08] | For all designated states SOCIETE POUR L'ETUDE ET LA FABRICATION DE CIRCUITS INTEGRES SPECIAUX - E.F.C.I.S. 17, avenue des Martyrs F-38100 Grenoble / FR | Inventor(s) | 01 /
Caillon, Christian THOMSON-CSF SCPI 173, bld Haussmann F-75379 Paris Cedex 08 / FR | 02 /
Fensch, Thierry THOMSON-CSF SCPI 173, bld Haussmann F-75379 Paris Cedex 08 / FR | 03 /
Terrier, Christian THOMSON-CSF SCPI 173, bld Haussmann F-75379 Paris Cedex 08 / FR | [1985/08] | Representative(s) | Santarelli Tour Trinity 1 bis Place de la Défense 92400 Courbevoie / FR | [N/P] |
| Former [1989/14] | Rinuy, Santarelli 14, avenue de la Grande Armée F-75017 Paris / FR | ||
| Former [1985/08] | Guérin, Michel THOMSON-CSF SCPI B.P. 329 50, rue Jean-Pierre Timbaud F-92402 Courbevoie Cédex / FR | Application number, filing date | 84401337.5 | 26.06.1984 | [1985/08] | Priority number, date | FR19830011075 | 04.07.1983 Original published format: FR 8311075 | [1985/08] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0133387 | Date: | 20.02.1985 | Language: | FR | [1985/08] | Type: | B1 Patent specification | No.: | EP0133387 | Date: | 22.06.1988 | Language: | FR | [1988/25] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.11.1984 | Classification | IPC: | H03H19/00 | [1985/08] | CPC: |
H03H19/004 (EP)
| Designated contracting states | DE, FR, GB, IT, NL [1985/08] | Title | German: | Filter mit geschalteten Kapazitäten mit wiederholter Struktur | [1985/08] | English: | Switched capacitor filter with a repetitive structure | [1985/08] | French: | Filtre à capacités commutées à structure répétitive | [1985/08] | Examination procedure | 06.03.1985 | Examination requested [1985/21] | 14.10.1986 | Despatch of a communication from the examining division (Time limit: M04) | 13.02.1987 | Reply to a communication from the examining division | 25.03.1987 | Despatch of a communication from the examining division (Time limit: M04) | 25.07.1987 | Reply to a communication from the examining division | 13.10.1987 | Despatch of communication of intention to grant (Approval: Yes) | 29.10.1987 | Communication of intention to grant the patent | 02.01.1988 | Fee for grant paid | 02.01.1988 | Fee for publishing/printing paid | Opposition(s) | 23.03.1989 | No opposition filed within time limit [1989/22] | Fees paid | Renewal fee | 20.05.1986 | Renewal fee patent year 03 | 18.05.1987 | 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] ELECTRICAL DESIGN NEWS, vol. 28, no. 4, fvrier 1983, pages 45-48, Boston, US; W. TWADDELL: "Switched-capacitor-array introductions herald semicustom analog flexibility" [A] |