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Extract from the Register of European Patents

EP About this file: EP0242421

EP0242421 - Method and apparatus for electrochemical polishing and pickling [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  28.06.1990
Database last updated on 02.11.2024
Most recent event   Tooltip28.06.1990No opposition filed within time limitpublished on 16.08.1990 [1990/33]
Applicant(s)For all designated states
POLIGRAT GMBH
Valentin-Linhof-Strasse 19
81829 München / DE
[N/P]
Former [1987/44]For all designated states
POLIGRAT GMBH
Valentin-Linhof-Strasse 19
D-81829 München / DE
Inventor(s)01 / Ruhstorfer, Friedrich
Blütenstrasse 22
D-8046 Garching / DE
02 / Menzel, Jürgen
Pelkovenstrasse 116
D-8000 München 50 / DE
03 / Henkel, Georg, Dr.
Moritz-Schadek-Gasse 42
A-3830 Waidhofen/Thaya / AT
[1987/44]
Representative(s)Wuesthoff, Franz, et al
Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2
81541 München / DE
[N/P]
Former [1987/44]Wuesthoff, Franz, Dr.-Ing., et al
Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2
D-81541 München / DE
Application number, filing date86105747.925.04.1986
[1987/44]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0242421
Date:28.10.1987
Language:DE
[1987/44]
Type: B1 Patent specification 
No.:EP0242421
Date:06.09.1989
Language:DE
[1989/36]
Search report(s)(Supplementary) European search report - dispatched on:EP26.01.1987
ClassificationIPC:C25F7/00, C25F3/16, C25F1/04
[1987/44]
CPC:
C25F7/00 (EP,US); C25F1/04 (EP,US); C25F3/16 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1987/44]
TitleGerman:Verfahren und Vorrichtung zum elektrochemischen Polieren und Beizen[1987/44]
English:Method and apparatus for electrochemical polishing and pickling[1987/44]
French:Méthode et dispositif pour le polissage et le décapage électrolytique[1987/44]
Examination procedure23.02.1987Examination requested  [1987/44]
28.01.1988Despatch of a communication from the examining division (Time limit: M04)
11.02.1988Reply to a communication from the examining division
30.01.1989Despatch of communication of intention to grant (Approval: Yes)
13.02.1989Communication of intention to grant the patent
25.04.1989Fee for grant paid
25.04.1989Fee for publishing/printing paid
Opposition(s)06.06.1990No opposition filed within time limit [1990/33]
Fees paidRenewal fee
15.04.1988Renewal fee patent year 03
14.04.1989Renewal fee patent year 04
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Documents cited:Search[A]DE1496864  (KAMPSCHULTE & CIE DR W);
 [AD]DE2937747  (JUMER JOHN F);
 [A]US4224130  (MORENO CARLOS M, et al);
 [A]FR2561672  (TRAVAUX MILIEU IONISANT [FR])
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.