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Extract from the Register of European Patents

EP About this file: EP0558418

EP0558418 - Metal-ferroelectric-semiconductor type non-volatile memory cell [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  24.01.1997
Database last updated on 11.09.2024
Most recent event   Tooltip24.01.1997Application deemed to be withdrawnpublished on 12.03.1997 [1997/11]
Applicant(s)For all designated states
COMMISSARIAT A L'ENERGIE ATOMIQUE
31-33, rue de la Fédération
75015 Paris / FR
[N/P]
Former [1993/35]For all designated states
COMMISSARIAT A L'ENERGIE ATOMIQUE
31-33, rue de la Fédération
F-75015 Paris / FR
Inventor(s)01 / Achard, Hervé
1, place Doyen Gosse
F-38000 Grenoble / FR
02 / Joly, Jean-Pierre
22, place Salvador Allende
F-38120 Saint-Egreve / FR
[1993/35]
Representative(s)Dubois-Chabert, Guy, et al
BREVALEX 3, rue du Docteur Lanceraux
75008 Paris / FR
[N/P]
Former [1995/10]Dubois-Chabert, Guy, et al
Société de Protection des Inventions 25, rue de Ponthieu
F-75008 Paris / FR
Former [1993/35]Mongrédien, André
c/o BREVATOME 25, rue de Ponthieu
F-75008 Paris / FR
Application number, filing date93400486.225.02.1993
[1993/35]
Priority number, dateFR1992000230427.02.1992         Original published format: FR 9202304
[1993/35]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0558418
Date:01.09.1993
Language:FR
[1993/35]
Search report(s)(Supplementary) European search report - dispatched on:EP01.06.1993
ClassificationIPC:G11C11/22, G11C27/00
[1993/35]
CPC:
G11C11/22 (EP,US); G11C11/223 (EP,US)
Designated contracting statesDE,   GB,   IT,   NL [1993/35]
TitleGerman:Nicht-flüchtige Speicherzelle des Metall-Ferroelektrik-Halbleitertyps[1993/35]
English:Metal-ferroelectric-semiconductor type non-volatile memory cell[1993/35]
French:Cellule mémoire non volatile du type métal-ferroélectrique semi-conducteur[1993/35]
Examination procedure04.02.1994Examination requested  [1994/14]
03.09.1996Application deemed to be withdrawn, date of legal effect  [1997/11]
16.10.1996Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [1997/11]
Fees paidRenewal fee
21.02.1995Renewal fee patent year 03
Penalty fee
Additional fee for renewal fee
29.02.199604   M06   Not yet paid
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Documents cited:Search[A]US2791759  (BROWN WALTER L);
 [A]US3832700  (WU S, et al);
 [A]FR2323228  (WESTINGHOUSE ELECTRIC CORP [US]);
 [A]US4888630  (PATERSON JAMES L [US])
 [A]  - PROCEEDINGS OF THE IEEE vol. 54, no. 6, Juin 1966, pages 842 - 848 HEYMAN E.A. 'A FERROELECTRIC FIELD EFFECT DEVICE'
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.