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Extract from the Register of European Patents

EP About this file: EP0318811

EP0318811 - Improved power stage with increased output dynamics [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  21.05.1991
Database last updated on 28.09.2024
Most recent event   Tooltip21.05.1991Application deemed to be withdrawnpublished on 10.07.1991 [1991/28]
Applicant(s)For all designated states
STMicroelectronics Srl
Via C. Olivetti, 2
20041 Agrate Brianza (Milano) / IT
[N/P]
Former [1989/23]For all designated states
SGS-THOMSON MICROELECTRONICS S.r.l.
Via C. Olivetti, 2
I-20041 Agrate Brianza (Milano) / IT
Inventor(s)01 / Stefani, Fabrizio
Via Appennini 16
I-21010 Cardano al Campo Varese / IT
02 / Gola, Alberto
Via Eseguiti 22 bis
I-27043 Broni Pavia / IT
03 / Pessina, Gianluigi
Via Roma 65
I-20020 Lainate Milano / IT
[1989/23]
Representative(s)Modiano, Guido, et al
Dr. Modiano & Associati SpA Via Meravigli, 16
20123 Milano / IT
[N/P]
Former [1989/23]Modiano, Guido, Dr.-Ing., et al
Modiano & Associati S.r.l. Via Meravigli, 16
I-20123 Milano / IT
Application number, filing date88119473.223.11.1988
[1989/23]
Priority number, dateIT1987002288003.12.1987         Original published format: IT 2288087
[1989/23]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0318811
Date:07.06.1989
Language:EN
[1989/23]
Type: A3 Search report 
No.:EP0318811
Date:28.03.1990
Language:EN
[1990/13]
Search report(s)(Supplementary) European search report - dispatched on:EP07.02.1990
ClassificationIPC:H03F1/02, H03F3/21
[1989/23]
CPC:
H03F1/0261 (EP,US); H03F3/211 (EP,US)
Designated contracting statesDE,   FR,   NL [1989/23]
TitleGerman:Leistungsstufe mit vergrösserter Ausgangsdynamik[1989/23]
English:Improved power stage with increased output dynamics[1989/23]
French:Amplificateur de puissance à dynamique de sortie agrandie[1989/23]
File destroyed:05.03.1999
Examination procedure29.09.1990Application deemed to be withdrawn, date of legal effect  [1991/28]
05.02.1991Despatch of communication that the application is deemed to be withdrawn, reason: examination fee not paid in time  [1991/28]
Fees paidPenalty fee
Penalty fee Rule 85b EPC 1973
24.10.1990M01   Not yet paid
Additional fee for renewal fee
30.11.199003   M06   Not yet paid
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Documents cited:Search[Y]JPS5940714  ;
 [Y]US4206419  (YOKOYAMA KENJI [JP]);
 [A]GB2072979  (SRA COMMUNICATIONS AB);
 [A]EP0133506  (ATES COMPONENTI ELETTRON [IT]);
 [A]EP0148563  (NELSON DAVID A [US], et al)
 [Y]  - PATENT ABSTRACTS OF JAPAN, vol. 8, no. 131 (E-251)[1568]19th June 1984; & JP-A-59 40 714 (ANRITSU DENKI K.K.) 06-03-1984
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.