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EP0379293
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EP About this file: EP0379293
| EP0379293 - Control of power inverter [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 17.12.1992 Database last updated on 16.07.2024 | Most recent event Tooltip | 17.12.1992 | Application deemed to be withdrawn | published on 03.02.1993 [1993/05] | Applicant(s) | For all designated states GEC-FERRANTI DEFENCE SYSTEMS LTD. The Grove, Warren Lane Stanmore Middlesex HA7 4LY / GB | [N/P] |
| Former [1990/38] | For all designated states GEC-FERRANTI DEFENCE SYSTEMS LTD. The Grove, Warren Lane Stanmore, Middlesex HA7 4LY / GB | ||
| Former [1990/37] | For all designated states FERRANTI INTERNATIONAL plc Bridge House Park Road Gatley Cheadle Cheshire SK8 4HZ / GB | ||
| Former [1990/30] | For all designated states Ferranti International Signal plc Bridge House Park Road Gatley Cheadle Cheshire SK8 4HZ / GB | Inventor(s) | 01 /
Fisher, Frank Donald 12 Hillpark Avenue Edinburgh EH4 7AT / GB | 02 /
Ovens, Ronald 73 North Meggetland Edinburgh EH14 1XG, Scotland / GB | [1990/30] | Representative(s) | Hyden, Martin Douglas, et al Etudes et Productions Schlumberger Intellectual Property Department 1 rue Henri Becquerel B.P. 202 92142 Clamart Cedex / FR | [N/P] |
| Former [1990/38] | Hyden, Martin Douglas, et al GEC Patent Department GEC-Marconi Research Centre West Hanningfield Road Great Baddow Essex CM2 8HN / GB | ||
| Former [1990/30] | Bradley, David Nicholas Patents Department Ferranti International plc Bridge House Park Road Gatley Cheadle, Cheshire SK8 4HZ / GB | Application number, filing date | 90300240.0 | 09.01.1990 | [1990/30] | Priority number, date | GB19890000816 | 14.01.1989 Original published format: GB 8900816 | [1990/30] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0379293 | Date: | 25.07.1990 | Language: | EN | [1990/30] | Type: | A3 Search report | No.: | EP0379293 | Date: | 03.07.1991 | Language: | EN | [1991/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.05.1991 | Classification | IPC: | H03B9/08, H03L7/185, H02M7/539, H03L7/183, H02M3/24 | [1991/29] | CPC: |
H03L7/185 (EP);
H03B9/08 (EP)
|
| Former IPC [1990/30] | H03B9/08, H03L7/185, H02M3/24 | Designated contracting states | DE, FR, IT, SE [1990/30] | Title | German: | Steuerung eines Leistungs-Inverters | [1990/30] | English: | Control of power inverter | [1990/30] | French: | Commande d'un onduleur de puissance | [1990/30] | File destroyed: | 12.06.1999 | Examination procedure | 29.10.1991 | Examination requested [1991/52] | 29.04.1992 | Despatch of communication of intention to grant (Approval: ) | 01.08.1992 | Application deemed to be withdrawn, date of legal effect [1993/05] | 02.09.1992 | Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time [1993/05] | Fees paid | Penalty fee | Additional fee for renewal fee | 31.01.1992 | 03 M06 Not yet paid |
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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] - PROCEEDINGS OF THE 20TH INTERSOCIETY ENERGY CONVERSION ENGINEERING CONFERENCE, Warrendale, PA, August 1985, vol. 1, pages 1696-1701; H.K. ASPER: "Sinewave synthesis for high efficiency DC-AC conversion" |