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Extract from the Register of European Patents

EP About this file: EP0221377

EP0221377 - Method of finely grinding mineral material and device for carrying out the method [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  12.04.1989
Database last updated on 24.08.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
Fried. Krupp Gesellschaft mit beschränkter Haftung
Altendorfer Strasse 103
45143 Essen / DE
[N/P]
Former [1987/20]For all designated states
Fried. Krupp Gesellschaft mit beschränkter Haftung
Altendorfer Strasse 103
D-45143 Essen / DE
Inventor(s)01 / Auerbach, Horst
Oemberg 92
D-4330 Mülheim/Ruhr / DE
02 / Dörr, Hermann
Theodor-Suhnelstrasse 6
D-4330 Mülheim/Ruhr / DE
[1987/20]
Application number, filing date86113849.307.10.1986
[1987/20]
Priority number, dateDE1985353899102.11.1985         Original published format: DE 3538991
[1987/20]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0221377
Date:13.05.1987
Language:DE
[1987/20]
Type: A3 Search report 
No.:EP0221377
Date:03.08.1988
Language:DE
[1988/31]
Search report(s)(Supplementary) European search report - dispatched on:EP16.06.1988
ClassificationIPC:B02C17/08
[1987/20]
CPC:
B02C17/08 (EP); B02C23/32 (EP)
Designated contracting statesAT,   FR,   GB [1987/20]
TitleGerman:Verfahren zur Feinstzerkleinerung von mineralischen Stoffen und Vorrichtung zur Durchführung des Verfahrens[1987/20]
English:Method of finely grinding mineral material and device for carrying out the method[1987/20]
French:Procédé pour le broyage fin de matières minérales et dispositif pour la mise en oeuvre du procédé[1987/20]
File destroyed:21.07.1995
Examination procedure15.09.1988Examination requested  [1988/45]
09.12.1988Despatch of a communication from the examining division (Time limit: M04)
09.03.1989Application withdrawn by applicant  [1989/22]
Fees paidRenewal fee
01.09.1988Renewal fee patent year 03
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[Y]DE2038286  (AKIS AYDIN);
 [Y]DE684613  (EMIL DIEPENBROCK, et al);
 [A]FR333272  (ALCIBIADE DEVAUX [FR]);
 [A]GB191321079  (BOULTON LTD WILLIAM, et al);
 [A]US1772737  (WISE AUSTICE A, et al)
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.