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Extract from the Register of European Patents

EP About this file: EP0184653

EP0184653 - Running-up method and apparatus for starting a rotative frequence converter [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.03.1993
Database last updated on 11.09.2024
Most recent event   Tooltip04.03.1993No opposition filed within time limitpublished on 21.04.1993 [1993/16]
Applicant(s)For all designated states
BBC Brown Boveri AG
Haselstrasse
CH-5401 Baden / CH
[1987/41]
Former [1986/25]For all designated states
BBC Aktiengesellschaft Brown, Boveri & Cie.
Haselstrasse
CH-5401 Baden / CH
Inventor(s)01 / Bruggisser, Walter Leo
Schönbühlstrasse 33
CH-5430 Wettingen / CH
02 / Knaffl, Berislav
Lindenhof 25
Ch-5430 Wettingen / CH
03 / Schäfer, René
Gerstenweg 7
CH-5034 Suhr / CH
[1986/25]
Application number, filing date85113681.228.10.1985
[1986/25]
Priority number, dateDE1984344541713.12.1984         Original published format: DE 3445417
[1986/25]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0184653
Date:18.06.1986
Language:DE
[1986/25]
Type: A3 Search report 
No.:EP0184653
Date:24.08.1988
Language:DE
[1988/34]
Type: B1 Patent specification 
No.:EP0184653
Date:29.04.1992
Language:DE
[1992/18]
Search report(s)(Supplementary) European search report - dispatched on:EP07.07.1988
ClassificationIPC:H02J3/34, H02P9/00
[1986/25]
CPC:
H02P9/08 (EP); H02J3/34 (EP)
Designated contracting statesAT,   CH,   DE,   LI,   SE [1986/25]
TitleGerman:Verfahren und Hochlaufeinrichtung zum Hochfahren eines rotierenden Frequenzumformers[1986/25]
English:Running-up method and apparatus for starting a rotative frequence converter[1986/25]
French:Procédé et dispositif d'accélération pour mettre en marche un convertisseur de fréquence rotatif[1986/25]
File destroyed:15.01.2000
Examination procedure21.09.1988Examination requested  [1988/46]
29.08.1990Despatch of a communication from the examining division (Time limit: M04)
08.12.1990Reply to a communication from the examining division
23.04.1991Despatch of a communication from the examining division (Time limit: M04)
27.07.1991Reply to a communication from the examining division
04.10.1991Despatch of communication of intention to grant (Approval: Yes)
28.10.1991Communication of intention to grant the patent
21.01.1992Fee for grant paid
21.01.1992Fee for publishing/printing paid
Opposition(s)30.01.1993No opposition filed within time limit [1993/16]
Fees paidRenewal fee
27.10.1987Renewal fee patent year 03
27.10.1988Renewal fee patent year 04
25.10.1989Renewal fee patent year 05
27.10.1990Renewal fee patent year 06
21.10.1991Renewal fee patent year 07
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Documents cited:Search[A]US1937498  (HERMAN BANY, et al);
 [A]DE1488978  (LICENTIA GMBH);
 [A]DE2062853  (BBC BROWN BOVERI & CIE);
 [A]EP0026374  (SIEMENS AG [DE])
 [AD]  - TECHN. MITT. AEG-TELEFUNKEN, Band 63, Nr. 7, 1973, Seiten 249-253; H. BETZ: "Der Netzkupplungsumformer Neu-Ulm, eine Anlage zur Stromversorgung der Deutschen Bundesbahn"
Examination   - Techn. Mitt. AEG-Telefunken 63 (1973), S. 273-278
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.