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Extract from the Register of European Patents

EP About this file: EP0003125

EP0003125 - Process for the electrolytic etching of a recrystallised aluminium foil and its application [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  12.07.1983
Database last updated on 30.10.2024
Most recent event   Tooltip12.07.1983Opposition rejectedpublished on 14.09.1983 [1983/37]
Applicant(s)For all designated states
SIEMENS AKTIENGESELLSCHAFT
Werner-von-Siemens-Str. 1
DE-80333 München / DE
[N/P]
Inventor(s)01 / Fickelscher, Horst
Lukas-Cranach-Strasse 38
D-7920 Heidenheim / DE
[N/P]
Application number, filing date79100054.009.01.1979
Priority number, dateDE1978280121812.01.1978         Original published format: DE 2801218
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0003125
Date:25.07.1979
Language:DE
[N/P]
Type: B1 Patent specification 
No.:EP0003125
Date:22.07.1981
Language:DE
[1981/29]
Search report(s)(Supplementary) European search report - dispatched on:EP17.05.1979
ClassificationIPC:C25F3/04, H01G9/04
[1981/29]
CPC:
H01G9/055 (EP,US); C25F3/04 (EP,US)
Designated contracting statesFR,   GB,   IT 
TitleGerman:Verfahren zum elektrolytischen Ätzen einer rekristallisierten Aluminiumfolie und deren Verwendung
English:Process for the electrolytic etching of a recrystallised aluminium foil and its application
French:Procédé de décapage électrolytique d'une feuille d'aluminium recristallisée et son application
Examination procedure02.01.1980Examination requested  [1980/07]
23.06.1980Despatch of a communication from the examining division (Time limit: M04)
08.10.1980Reply to a communication from the examining division
28.10.1980Despatch of communication of intention to grant (Approval: )
29.01.1981Communication of intention to grant the patent
10.02.1981Fee for grant paid
10.02.1981Fee for publishing/printing paid
Opposition(s)Opponent(s)01  19.04.1982  10.05.1982  ADMISSIBLE
Hoechst Aktiengesellschaft Werk Kalle-Albert
Zentrale Patentabteilung KA
D-65174 Wiesbaden / DE
 [N/P]
Former [1982/36]
Opponent(s)01  19.04.1982  10.05.1982  ADMISSIBLE
Hoechst Aktiengesellschaft Werk Kalle-Albert
Zentrale Patentabteilung KA
D-65174 Wiesbaden / DE
25.05.1982Invitation to proprietor to file observations on the notice of opposition
07.09.1982Reply of patent proprietor to notice(s) of opposition
06.10.1982Communication of observations of patent proprietor (Time limit: M04)
07.02.1983Reply of parties involved to observations of patent proprietor
22.03.1983Date of despatch of rejection of opposition
02.06.1983No opposition filed within time limit [1983/37]
02.06.1983Legal effect of rejection of opposition [1983/37]
Fees paidRenewal fee
19.01.1981Renewal fee patent year 03
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Documents cited:SearchUS3779877  [ ] (ALWITT R);
 DE1621175  [ ] (SIEMENS AG);
 US4042475  [ ] (BIJLMER PAUL FREDERIK A)
    [ ] - WERKSTOFFE UND KORROSION, 23, (5)Seiten 337-341
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.