EP0564574 - DC-TO-DC CONVERTER USING COUPLED INDUCTOR CURRENT SENSING AND PREDETERMINED ON TIME [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 07.06.1996 Database last updated on 03.09.2024 | Most recent event Tooltip | 07.06.1996 | No opposition filed within time limit | published on 24.07.1996 [1996/30] | Applicant(s) | For all designated states Eastman Kodak Company 343 State Street Rochester, NY 14650-2201 / US | [N/P] |
Former [1993/41] | For all designated states EASTMAN KODAK COMPANY 343 State Street Rochester, New York 14650-2201 / US | Inventor(s) | 01 /
LUDDEN, Christopher, Anthony c/o Eastman Kodak Co. Patent Legal Staff 343 State Street Rochester, New York 14650-2201 / US | 02 /
DUNSMORE, Clay, Allen c/o Eastman Kodak Co. Patent Legal Staff 343 State Street Rochester, New York 14650-2201 / US | [1993/41] | Representative(s) | Schmidt, Peter KODAK Aktiengesellschaft Patentabteilung 70323 Stuttgart / DE | [N/P] |
Former [1993/41] | Schmidt, Peter, Dipl.-Ing. KODAK Aktiengesellschaft Patentabteilung D-70323 Stuttgart / DE | Application number, filing date | 92903503.8 | 19.12.1991 | [1993/41] | WO1991US09525 | Priority number, date | US19900634252 | 26.12.1990 Original published format: US 634252 | [1993/41] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9212568 | Date: | 23.07.1992 | Language: | EN | [1992/19] | Type: | A1 Application with search report | No.: | EP0564574 | Date: | 13.10.1993 | Language: | EN | The application published by WIPO in one of the EPO official languages on 23.07.1992 takes the place of the publication of the European patent application. | [1993/41] | Type: | B1 Patent specification | No.: | EP0564574 | Date: | 02.08.1995 | Language: | EN | [1995/31] | Search report(s) | International search report - published on: | EP | 23.07.1992 | Classification | IPC: | H02M3/335 | [1993/41] | CPC: |
H02M3/33507 (EP,US)
| Designated contracting states | DE, FR, GB [1993/41] | Title | German: | GLEICHSTROMWANDLER MIT ÜBERTRAGERSTROMERFASSUNG UND VORGEGEBENER EINSCHALTDAUER | [1993/41] | English: | DC-TO-DC CONVERTER USING COUPLED INDUCTOR CURRENT SENSING AND PREDETERMINED ON TIME | [1993/41] | French: | CONVERTISSEUR CONTINU-CONTINU UTILISANT UNE DETECTION DE COURANT PAR INDUCTEUR COUPLE ET UNE PERIODE DE FONCTIONNEMENT PREDETERMINEE | [1993/41] | Entry into regional phase | 09.06.1993 | National basic fee paid | 09.06.1993 | Designation fee(s) paid | 09.06.1993 | Examination fee paid | Examination procedure | 20.07.1992 | Request for preliminary examination filed International Preliminary Examining Authority: FR | 09.06.1993 | Examination requested [1993/41] | 23.09.1994 | Despatch of communication of intention to grant (Approval: Yes) | 02.02.1995 | Communication of intention to grant the patent | 29.04.1995 | Fee for grant paid | 29.04.1995 | Fee for publishing/printing paid | Opposition(s) | 03.05.1996 | No opposition filed within time limit [1996/30] | Fees paid | Renewal fee | 18.12.1993 | Renewal fee patent year 03 | 22.12.1994 | 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. | Cited in | International search | [Y]US3541420 (REES LYNN T); | [A]WO8002778 (EASTMAN KODAK CO [US]); | [A]US4336583 (CAMPBELL STEPHEN J, et al) | [Y] - PATENT ABSTRACTS OF JAPAN vol. 8, no. 135 (E-252)22 June 1984 & JP,59 044 973 ( HITACHI ) 13 March 1984 |