Extract from the Register of European Patents

EP About this file: EP0020844

EP0020844 - Improvement in the manufacture of oriented grain electrical steel sheet [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.08.1986
Database last updated on 11.04.2026
Most recent event   Tooltip13.08.1986No opposition filed within time limitpublished on 01.10.1986 [1986/40]
Applicant(s)For all designated states
CENTRO SVILUPPO MATERIALI S.p.A.
Via di Castel Romano 100-102
00129 Roma / IT
[N/P]
Former [1981/01]For all designated states
CENTRO SVILUPPO MATERIALI S.p.A.
Via di Castel Romano 100-102
I-00129 Roma / IT
Inventor(s)01 / Vantini, Nereo
Via del Verrocchio, 63
Rome / IT
02 / Marini, Paolo
Circonvallazione Nomentana, 172
Rome / IT
[1985/41]
Former [1981/01]01 / Vantini, Nereo
Via del Verrocchio, 63
Rome / IT
02 / Marihi, Paolo
Circonvallazione Nomentana, 172
Rome / IT
Representative(s)Mariani, Giulio
Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria, 9
20122 Milan / IT
[N/P]
Former [1981/01]Mariani, Giulio
c/o Centro Sviluppo Materiali SpA P.O. BOX 10747
I-00129 Roma / IT
Application number, filing date79830016.631.05.1979
[1981/01]
Priority number, dateIT1978004979109.06.1978         Original published format: IT 4979178
[1981/01]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0020844
Date:07.01.1981
Language:EN
[1981/01]
Type: B1 Patent specification 
No.:EP0020844
Date:09.10.1985
Language:EN
[1985/41]
Search report(s)(Supplementary) European search report - dispatched on:EP29.09.1980
ClassificationIPC:C21D1/70, C21D8/12, C25D13/02, H01F1/18, C23C24/00
[1985/41]
CPC:
C21D1/70 (EP,US); C23D5/10 (EP,US)
Former IPC [1981/01]C21D1/70, C21D8/12, C25D13/02, H01F1/18, // C23D5/10
Designated contracting statesBE,   DE,   FR,   GB,   LU,   NL [1981/01]
TitleGerman:Verbesserung in der Herstellung kornorientierten Elektrostahlblechs[1981/01]
English:Improvement in the manufacture of oriented grain electrical steel sheet[1981/01]
French:Perfectionnement dans la fabrication de tôles d'acier électrique à grains orientés[1981/01]
File destroyed:15.01.2000
Examination procedure25.04.1980Request for decision received: (all rights)
02.06.1980Result of request for decision ((all rights)): Request granted
30.03.1981Examination requested  [1981/25]
22.01.1982Despatch of a communication from the examining division (Time limit: M04)
21.05.1982Reply to a communication from the examining division
18.04.1984Despatch of communication of intention to grant (Approval: )
28.09.1984Fee for grant paid
28.09.1984Fee for publishing/printing paid
30.11.1984Communication of intention to grant the patent
Opposition(s)10.07.1986No opposition filed within time limit [1986/40]
Request for further processing for:18.09.1982Request for further processing filed
30.11.1982Full payment received (date of receipt of payment)
Request granted
21.01.1983Decision despatched
Fees paidRenewal fee
25.05.1981Renewal fee patent year 03
26.04.1982Renewal fee patent year 04
29.08.1983Renewal fee patent year 05
22.05.1984Renewal fee patent year 06
10.05.1985Renewal fee patent year 07
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Documents cited:SearchIT652122  
   JOURNAL OF THE ELECTROCHEMICAL SOCIETY, Vol. 109, Nr. 10, October 1962 New York (US) C.P. GUTIERREZ et al.: "Electrophoretic deposition: A versatile coating method", pages 923-927
   JOURNAL OF THE ELECTROCHEMICAL SOCIETY, Vol. 110, Nr. 7, July 1963 F. PEARLSTEIN et al.: "Electrophoretic deposition of metals", pages 843-846
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