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Extract from the Register of European Patents

EP About this file: EP0543742

EP0543742 - Monolithic low-voltage protection diode with low capacity [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.11.1996
Database last updated on 31.08.2024
Most recent event   Tooltip22.11.1996No opposition filed within time limitpublished on 08.01.1997 [1997/02]
Applicant(s)For all designated states
STMicroelectronics S.A.
7, Avenue Galliéni
94250 Gentilly / FR
[N/P]
Former [1993/21]For all designated states
SGS-THOMSON MICROELECTRONICS S.A.
7, Avenue Galliéni
F-94250 Gentilly / FR
Inventor(s)01 / Anceau, Christine
46, Rue Principale
F-37390 Saint Roch / FR
[1993/21]
Representative(s)de Beaumont, Michel
1bis, rue Champollion
38000 Grenoble / FR
[N/P]
Former [1993/21]de Beaumont, Michel
1bis, rue Champollion
F-38000 Grenoble / FR
Application number, filing date92420414.213.11.1992
[1993/21]
Priority number, dateFR1991001444618.11.1991         Original published format: FR 9114446
[1993/21]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0543742
Date:26.05.1993
Language:FR
[1993/21]
Type: B1 Patent specification 
No.:EP0543742
Date:17.01.1996
Language:FR
[1996/03]
Search report(s)(Supplementary) European search report - dispatched on:EP22.03.1993
ClassificationIPC:H01L27/02
[1993/21]
CPC:
H01L27/0248 (EP,US); H01L29/861 (EP,US)
Designated contracting statesDE,   FR,   GB,   IT [1993/21]
TitleGerman:Monolithische Niederspannungsschutzdiode mit geringer Kapazität[1993/21]
English:Monolithic low-voltage protection diode with low capacity[1993/21]
French:Diode de protection monolithique basse tension à faible capacité[1993/21]
Examination procedure05.11.1993Examination requested  [1994/03]
27.01.1994Despatch of a communication from the examining division (Time limit: M04)
14.02.1994Reply to a communication from the examining division
06.02.1995Despatch of communication of intention to grant (Approval: Yes)
22.05.1995Communication of intention to grant the patent
21.06.1995Fee for grant paid
21.06.1995Fee for publishing/printing paid
Opposition(s)18.10.1996No opposition filed within time limit [1997/02]
Fees paidRenewal fee
15.11.1994Renewal fee patent year 03
09.11.1995Renewal fee patent year 04
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Documents cited:Search[A]JP61058262  ;
 [A]US4922371  (GRAY RICHARD L [US], et al);
 [A]GB2234126  (GAZELLE MICROCIRCUITS INC [US])
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 10, no. 221 (E-424)(2277) 2 Août 1986 & JP-A-61 058 262 ( FUJITSU ) 25 Mars 1986, & JP61058262 A 00000000
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.