EP0664602 - Flyback converter with regulated output voltage [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.10.1998 Database last updated on 20.05.2024 | Most recent event Tooltip | 23.10.1998 | No opposition filed within time limit | published on 09.12.1998 [1998/50] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
Former [1997/51] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 80333 München / DE | ||
Former [1995/30] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Preis, Josef, Dipl.-Ing. Zwillergasse 1 D-81245 München / DE | [1995/30] | Application number, filing date | 94100822.9 | 20.01.1994 | [1995/30] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0664602 | Date: | 26.07.1995 | Language: | DE | [1995/30] | Type: | B1 Patent specification | No.: | EP0664602 | Date: | 17.12.1997 | Language: | DE | [1997/51] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.06.1994 | Classification | IPC: | H02M3/335 | [1995/30] | CPC: |
H02M3/33561 (EP,US);
H02M1/009 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, IT, LI, PT, SE [1995/30] | Title | German: | Sperrumrichter mit geregelter Ausgangsspannung | [1995/30] | English: | Flyback converter with regulated output voltage | [1995/30] | French: | Convertisseur à récupération avec tension de sortie régulée | [1995/30] | Examination procedure | 06.10.1995 | Examination requested [1995/49] | 09.04.1997 | Despatch of communication of intention to grant (Approval: Yes) | 17.06.1997 | Communication of intention to grant the patent | 02.09.1997 | Fee for grant paid | 02.09.1997 | Fee for publishing/printing paid | Opposition(s) | 18.09.1998 | No opposition filed within time limit [1998/50] | Fees paid | Renewal fee | 19.01.1996 | Renewal fee patent year 03 | 21.01.1997 | 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]JPS63287364 ; | [A]DE3627858 (GOSSEN GMBH [DE]) [A] 1,4 * the whole document *; | [A]EP0420074 (BULL HN INFORMATION SYST [IT]) [A] 1 * abstract *; | [A]DE4021385 (PHILIPS PATENTVERWALTUNG [DE]) [A] 1,4 * the whole document * | [A] - PATENT ABSTRACTS OF JAPAN, (19890322), vol. 13, no. 117, Database accession no. (E - 731), & JP63287364 A 19881124 (HITACHI) [A] 1,3 * abstract * |