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EP0464240
European procedure
Extract from the Register of European Patents
EP About this file: EP0464240
| EP0464240 - Circuit for a blocking oscillator converter working in the auto-oscillation mode [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.08.1996 Database last updated on 14.09.2024 | Most recent event Tooltip | 02.08.1996 | No opposition filed within time limit | published on 18.09.1996 [1996/38] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
| Former [1992/02] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Paulik, Ernst Rosenstrasse 12 D-8891 Hilgertshausen / DE | 02 /
Dangschat, Rainer Jahnstrasse 8 D-8011 Landsham / DE | [1992/02] | Application number, filing date | 90112712.6 | 03.07.1990 | [1992/02] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0464240 | Date: | 08.01.1992 | Language: | DE | [1992/02] | Type: | B1 Patent specification | No.: | EP0464240 | Date: | 27.09.1995 | Language: | DE | [1995/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.03.1991 | Classification | IPC: | H02M3/335 | [1992/02] | CPC: |
H02M1/4258 (EP,US);
H02M3/33507 (EP,US);
Y02B70/10 (EP,US)
| Designated contracting states | DE, ES, FR, GB, IT, NL [1992/02] | Title | German: | Schaltungsanordnung für ein freischwingendes Sperrwandler-Schaltnetzteil | [1992/02] | English: | Circuit for a blocking oscillator converter working in the auto-oscillation mode | [1992/02] | French: | Circuit pour les alimentations à découpage auto-oscillatrices du type blocking | [1992/02] | Examination procedure | 25.06.1992 | Examination requested [1992/35] | 23.06.1993 | Despatch of a communication from the examining division (Time limit: M04) | 20.09.1993 | Reply to a communication from the examining division | 02.03.1994 | Despatch of a communication from the examining division (Time limit: M04) | 04.07.1994 | Reply to a communication from the examining division | 14.10.1994 | Despatch of communication of intention to grant (Approval: No) | 20.02.1995 | Despatch of communication of intention to grant (Approval: later approval) | 27.02.1995 | Communication of intention to grant the patent | 28.04.1995 | Fee for grant paid | 28.04.1995 | Fee for publishing/printing paid | Opposition(s) | 28.06.1996 | No opposition filed within time limit [1996/38] | Fees paid | Renewal fee | 24.07.1992 | Renewal fee patent year 03 | 20.07.1993 | Renewal fee patent year 04 | 19.07.1994 | Renewal fee patent year 05 | 20.07.1995 | 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 | [A]DE3025405 (SIEMENS AG [DE]); | [A]US4683529 (BUCHER II JAMES D [US]); | [A]EP0346849 (SIEMENS AG [DE]); | [A]DE3347930 (SIEMENS AG [DE]) |