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EP0007920
European procedure
Extract from the Register of European Patents
EP About this file: EP0007920
| EP0007920 - Auxiliary commutation circuit for an inverter [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 08.04.2026 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states United Technologies Corporation 10 Farm Springs Road Farmington, CT 06032 / US | [N/P] |
| Former [1980/03] | For all designated states UNITED TECHNOLOGIES CORPORATION United Technologies Building 1, Financial Plaza Hartford, CT 06101 / US | Inventor(s) | 01 /
Vivirito, Joseph Rosario 350 Diane Drive South Windsor, Connecticut 06074 / US | [1980/03] | Representative(s) | Waxweiler, Jean, et al Dennemeyer & Associates Sàrl P.O. Box 1502 1015 Luxembourg / LU | [N/P] |
| Former [1980/03] | Waxweiler, Jean, et al Dennemeyer & Associates Sàrl P.O. Box 1502 L-1015 Luxembourg / LU | Application number, filing date | 79930016.5 | 02.08.1979 | [1980/03] | Priority number, date | US19780930469 | 02.08.1978 Original published format: US 930469 | [1980/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0007920 | Date: | 06.02.1980 | Language: | EN | [1980/03] | Type: | B1 Patent specification | No.: | EP0007920 | Date: | 22.09.1982 | Language: | EN | [1982/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.11.1979 | Classification | IPC: | H02M1/06, H02M1/18, H02M7/515, G05B24/02 | [1980/03] | CPC: |
H02M7/525 (EP)
| Designated contracting states | BE, CH, DE, FR, GB, IT, NL, SE [1980/03] | Title | German: | Hilfskommutierungs-Schaltkreis für einen Wechselrichter | [1980/03] | English: | Auxiliary commutation circuit for an inverter | [1980/03] | French: | Circuit de commutation auxiliaire pour un inverseur | [1980/03] | Examination procedure | 08.04.1980 | Examination requested [1980/14] | 08.10.1980 | Despatch of a communication from the examining division (Time limit: {0}) | 14.04.1981 | Despatch of a communication from the examining division (Time limit: M02) | 12.06.1981 | Reply to a communication from the examining division | 14.08.1981 | Despatch of communication of intention to grant (Approval: ) | 24.11.1981 | Communication of intention to grant the patent | 12.02.1982 | Fee for grant paid | 12.02.1982 | Fee for publishing/printing paid | Opposition(s) | 22.06.1983 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 23.07.1981 | Renewal fee patent year 03 | 27.07.1982 | 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 | [X] US4060757 (MCMURRAY WILLIAM et al.) | [X] CH470114 (BBC BROWN BOVERI & CIE et al.) | GB1393311 (DELECTRONIQUE IND LEPAUTE COMP et al.) | [A] DE1204320 (SIEMENS AG et al.) | [A] AT329679 (SIEMENS AG et al.) |