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Extract from the Register of European Patents

EP About this file: EP0442890

EP0442890 - DEVICE FOR OPERATING A PRESSURE FILTER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.05.1993
Database last updated on 19.10.2024
Most recent event   Tooltip12.11.1999Lapse of the patent in a contracting state
New state(s): LU
published on 29.12.1999 [1999/52]
Applicant(s)For all designated states
HEINKEL INDUSTRIEZENTRIFUGEN GMBH & CO.
Gottlob-Grotz-Strasse 1
D-74321 Bietigheim-Bissingen / DE
[1991/35]
Inventor(s)01 / GERTEIS, Hans
Ruländerweg 7
D-7120 Bietigheim-Bissingen / DE
[1991/35]
Representative(s)Hoeger, Stellrecht & Partner Patentanwälte mbB
Uhlandstrasse 14c
70182 Stuttgart / DE
[N/P]
Former [1991/35]Hoeger, Stellrecht & Partner
Uhlandstrasse 14 c
D-70182 Stuttgart / DE
Application number, filing date89908970.010.08.1989
[1991/35]
WO1989EP00943
Priority number, dateDE1988383810810.11.1988         Original published format: DE 3838108
[1991/35]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO9005013
Date:17.05.1990
Language:DE
[1990/11]
Type: A1 Application with search report 
No.:EP0442890
Date:28.08.1991
Language:DE
The application published by WIPO in one of the EPO official languages on 17.05.1990 takes the place of the publication of the European patent application.
[1991/35]
Type: B1 Patent specification 
No.:EP0442890
Date:15.07.1992
Language:DE
[1992/29]
Search report(s)International search report - published on:EP17.05.1990
ClassificationIPC:B01D29/82, B01D29/33, B30B9/22
[1991/35]
CPC:
B30B9/225 (EP,US); B01D29/82 (KR); B01D29/15 (EP,US);
B01D29/70 (EP,US); B01D29/822 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1991/35]
TitleGerman:VORRICHTUNG ZUM BETREIBEN EINES AUSPRESSFILTERS[1991/35]
English:DEVICE FOR OPERATING A PRESSURE FILTER[1991/35]
French:PROCEDE DE FONCTIONNEMENT D'UN FILTRE-PRESSE[1991/35]
Entry into regional phase12.04.1991National basic fee paid 
12.04.1991Designation fee(s) paid 
12.04.1991Examination fee paid 
Examination procedure15.12.1989Request for preliminary examination filed
International Preliminary Examining Authority: DE
12.04.1991Examination requested  [1991/35]
20.09.1991Despatch of communication of intention to grant (Approval: Yes)
15.01.1992Communication of intention to grant the patent
08.04.1992Fee for grant paid
08.04.1992Fee for publishing/printing paid
Opposition(s)16.04.1993No opposition filed within time limit [1993/27]
Fees paidRenewal fee
13.07.1991Renewal 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.
Lapses during opposition  TooltipBE15.07.1992
NL15.07.1992
SE15.07.1992
AT10.08.1992
LU31.08.1992
[1999/52]
Former [1994/25]BE15.07.1992
NL15.07.1992
SE15.07.1992
AT10.08.1992
Former [1993/16]BE15.07.1992
NL15.07.1992
SE15.07.1992
Former [1993/14]NL15.07.1992
SE15.07.1992
Former [1993/11]SE15.07.1992
Cited inInternational searchDE2703598  [ ] (ENGLISH CLAYS LOVERING POCHIN);
 FR2267143  [ ] (ENGLISH CLAYS LOVERING POCHIN [GB]);
 DE3343298  [ ] (COMBER S P A COSTRUZIONI MECCA [IT]);
 DE3517032  [ ] (HEINKEL IND ZENTRIFUGEN [DE])
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.