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EP0247409
European procedure
Extract from the Register of European Patents
EP About this file: EP0247409
| EP0247409 - Switching power supply having a primary chopping converter [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 06.05.1993 Database last updated on 13.07.2024 | Most recent event Tooltip | 06.05.1993 | No opposition filed within time limit | published on 23.06.1993 [1993/25] | Applicant(s) | For all designated states Braun Aktiengesellschaft Postfach 11 20 D-61466 Kronberg / DE | [1987/49] | Inventor(s) | 01 /
Schwarz, Gerhard Eggestrasse 16 D-5990 Altena 1 / DE | [1987/49] | Application number, filing date | 87106678.3 | 08.05.1987 | [1987/49] | Priority number, date | DE19863618221 | 30.05.1986 Original published format: DE 3618221 | [1987/49] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0247409 | Date: | 02.12.1987 | Language: | DE | [1987/49] | Type: | A3 Search report | No.: | EP0247409 | Date: | 01.02.1989 | Language: | DE | [1989/05] | Type: | B1 Patent specification | No.: | EP0247409 | Date: | 01.07.1992 | Language: | DE | [1992/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 15.12.1988 | Classification | IPC: | H02M3/335, H02J7/10 | [1989/03] | CPC: |
H02M3/338 (EP,US);
H02M3/33538 (EP,US);
H02M3/33569 (EP,US);
H02M1/0022 (EP,US)
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| Former IPC [1987/49] | H02M3/335 | Designated contracting states | AT, CH, DE, ES, FR, GB, IT, LI, NL [1987/49] | Title | German: | Schaltnetzteil mit einem primär getakteten Gleichspannungswandler | [1987/49] | English: | Switching power supply having a primary chopping converter | [1987/49] | French: | Alimentation à commutation avec convertisseur à courant continu à découpage sur le primaire | [1987/49] | Examination procedure | 22.12.1988 | Examination requested [1989/08] | 17.12.1990 | Despatch of a communication from the examining division (Time limit: M04) | 26.04.1991 | Reply to a communication from the examining division | 12.07.1991 | Despatch of communication of intention to grant (Approval: Yes) | 03.12.1991 | Communication of intention to grant the patent | 31.01.1992 | Fee for grant paid | 31.01.1992 | Fee for publishing/printing paid | Opposition(s) | 02.04.1993 | No opposition filed within time limit [1993/25] | Fees paid | Renewal fee | 11.05.1989 | Renewal fee patent year 03 | 06.04.1990 | Renewal fee patent year 04 | 02.01.1991 | Renewal fee patent year 05 | 28.04.1992 | Renewal fee patent year 06 |
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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 | [X]EP0057910 (BRAUN AG [DE]); | [A]EP0130411 (BRAUN AG [DE]) | Examination | - Texas Instruments Deutschland: Applikationsbuch Band 2, Seiten 125-135 |