Extract from the Register of European Patents

EP About this file: EP0073167

EP0073167 - Logical bistable circuit using low threshold voltage field effect transistors, and memory device using such a circuit [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  21.12.1984
Database last updated on 18.03.2026
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
THOMSON-CSF
173, Boulevard Haussmann
F-75008 Paris / FR
[1983/09]
Inventor(s)01 / Pham, Ngu Tung
THOMSON-CSF SCPI 173, bld Haussmann
F-75379 Paris Cedex 08 / FR
[1983/09]
Representative(s)Lepercque, Jean, et al
Thomson-CSF Propriété Intellectuelle
92045 PARIS LA DEFENSE CEDEX 67 / FR
[N/P]
Former [1983/09]Lepercque, Jean, et al
THOMSON-CSF SCPI
F-92045 PARIS LA DEFENSE CEDEX 67 / FR
Application number, filing date82401543.217.08.1982
[1983/09]
Priority number, dateFR1981001611421.08.1981         Original published format: FR 8116114
[1983/09]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0073167
Date:02.03.1983
Language:FR
[1983/09]
Search report(s)(Supplementary) European search report - dispatched on:EP10.01.1983
ClassificationIPC:G11C11/40, H03K3/353
[1983/09]
CPC:
H03K3/3565 (EP,US); G11C11/40 (EP,US); G11C11/412 (EP,US)
Designated contracting statesDE,   GB,   IT,   NL,   SE [1983/09]
TitleGerman:Logischer bistabiler Schaltkreis mit Feldeffekttransistoren geringer Schwellspannung und Speichervorrichtung mit einem solchen Schaltkreis[1983/09]
English:Logical bistable circuit using low threshold voltage field effect transistors, and memory device using such a circuit[1983/09]
French:Circuit logique bistable utilisant des transistors à effet de champ à faible tension de seuil, et dispositif de mémorisation comportant un tel circuit[1983/09]
File destroyed:13.07.1991
Examination procedure10.03.1983Examination requested  [1983/20]
07.03.1984Despatch of a communication from the examining division (Time limit: M04)
19.05.1984Reply to a communication from the examining division
17.09.1984Despatch of communication of intention to grant (Approval: )
09.10.1984Communication of intention to grant the patent
15.12.1984Application withdrawn by applicant  [1985/08]
Fees paidRenewal fee
20.07.1984Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
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.