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EP0326947
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EP About this file: EP0326947
| EP0326947 - Asymmetric differential amplifier for use as a level converter [Right-click to bookmark this link] | Status | The application has been refused Status updated on 04.10.1993 Database last updated on 21.12.2024 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
| Former [1989/32] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Heimsch, Wolfgang, Dr. Romanstrasse 30 D-8000 München 19 / DE | 02 /
Müllner, Ernst, Dipl.-Ing. Erzgiessereistrasse 21 D-8000 München 2 / DE | [1989/32] | Application number, filing date | 89101357.5 | 26.01.1989 | [1989/32] | Priority number, date | DE19883803544 | 05.02.1988 Original published format: DE 3803544 | [1989/32] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0326947 | Date: | 09.08.1989 | Language: | DE | [1989/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.06.1989 | Classification | IPC: | H03K19/094 | [1989/32] | CPC: |
H03K19/09448 (EP,US);
H03K19/017527 (EP,US)
| Designated contracting states | DE, FR, GB [1989/32] | Title | German: | Asymmetrischer Differenzverstärker als Pegelwandler | [1989/32] | English: | Asymmetric differential amplifier for use as a level converter | [1989/32] | French: | Amplificateur différentiel asymétrique utilisé comme convertisseur de niveau | [1989/32] | Examination procedure | 30.08.1989 | Examination requested [1989/43] | 23.08.1990 | Despatch of a communication from the examining division (Time limit: M04) | 17.12.1990 | Reply to a communication from the examining division | 10.05.1991 | Despatch of communication that the application is refused, reason: substantive examination [1993/47] | 22.09.1993 | Application refused, date of legal effect [1993/47] | Appeal following examination | 10.07.1991 | Appeal received No. T0784/91 | 10.09.1991 | Statement of grounds filed | 22.09.1993 | Result of appeal procedure: appeal of the applicant was rejected | Fees paid | Renewal fee | 20.12.1990 | Renewal fee patent year 03 | 28.01.1992 | Renewal fee patent year 04 | 22.01.1993 | Renewal fee patent year 05 |
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