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EP0083714
European procedure
Extract from the Register of European Patents
EP About this file: EP0083714
| EP0083714 - Switching amplifier [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.06.1990 Database last updated on 09.12.2024 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states BBC Brown Boveri AG Haselstrasse CH-5401 Baden / CH | [1989/26] |
| Former [1983/29] | For all designated states BBC Aktiengesellschaft Brown, Boveri & Cie. Haselstrasse CH-5401 Baden / CH | Inventor(s) | 01 /
Furrer, Andreas Neumättlistrasse 516 CH-5300 Turgi / CH | 02 /
Milavec, Johann Wiesenweg 5 CH-5200 Windisch / CH | [1983/29] | Application number, filing date | 82110757.0 | 22.11.1982 | [1983/29] | Priority number, date | CH19820000116 | 11.01.1982 Original published format: CH 11682 | [1983/29] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0083714 | Date: | 20.07.1983 | Language: | DE | [1983/29] | Type: | B1 Patent specification | No.: | EP0083714 | Date: | 09.08.1989 | Language: | DE | [1989/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.05.1983 | Classification | IPC: | H03F3/217 | [1983/29] | CPC: |
H03F3/2178 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, LI [1983/29] | Title | German: | Schaltverstärker | [1983/29] | English: | Switching amplifier | [1983/29] | French: | Amplificateur à commutation | [1983/29] | Examination procedure | 26.11.1983 | Examination requested [1984/05] | 04.07.1984 | Despatch of a communication from the examining division (Time limit: M04) | 01.10.1984 | Reply to a communication from the examining division | 29.11.1984 | Despatch of a communication from the examining division (Time limit: M04) | 28.03.1985 | Reply to a communication from the examining division | 10.06.1985 | Despatch of a communication from the examining division (Time limit: M04) | 14.10.1985 | Reply to a communication from the examining division | 08.08.1986 | Despatch of communication that the application is refused, reason: substantive examination {1} | 05.10.1988 | Despatch of communication of intention to grant (Approval: Yes) | 23.12.1988 | Communication of intention to grant the patent | 16.03.1989 | Fee for grant paid | 16.03.1989 | Fee for publishing/printing paid | Appeal following examination | 20.09.1986 | Appeal received No. T0422/86 | 20.09.1986 | Statement of grounds filed | 01.09.1988 | Result of appeal procedure: remittal for grant | 19.04.1988 | Date of oral proceedings | 19.04.1988 | Minutes of oral proceedings despatched | Opposition(s) | 10.05.1990 | No opposition filed within time limit [1990/31] | Fees paid | Renewal fee | 19.10.1984 | Renewal fee patent year 03 | 29.10.1985 | Renewal fee patent year 04 | 24.10.1986 | Renewal fee patent year 05 | 27.10.1987 | Renewal fee patent year 06 | 25.11.1988 | Renewal fee patent year 07 |
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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 | [Y]EP0025234 (PATELHOLD PATENTVERWERTUNG [CH]); | [Y]US3098200 (LEE JENSEN JAMES); | [Y]DE3044956 (HARRIS CORP [US]) | [X] - ELECTRONIQUE INDUSTRIELLE, Nr. 22, 15. Oktober 1981, Seiten 37-39, Paris, FR. | Examination | DE2935445 |