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Extract from the Register of European Patents

EP About this file: EP0298442

EP0298442 - A pump and a method of separating gas by such from a fluid to be pumped [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.02.1993
Database last updated on 11.09.2024
Most recent event   Tooltip23.11.2007Lapse of the patent in a contracting statepublished on 26.12.2007  [2007/52]
Applicant(s)For all designated states
A. AHLSTROM CORPORATION
29600 Noormarkku / FI
[N/P]
Former [1991/02]For all designated states
A. AHLSTROM CORPORATION
FIN-29600 Noormarkku / FI
Former [1989/39]For all designated states
A. AHLSTROM CORPORATION
SF-29600 Karhula / FI
Former [1989/02]For all designated states
A. AHLSTROM CORPORATION
FIN-29600 Noormarkku / FI
Inventor(s)01 / Niskanen, Toivo
Maariankatu 10B 18
SF-49400 Hamina / FI
[1989/02]
Representative(s)Füchsle, Klaus, et al
Hoffmann - Eitle
ATTENTION : ADDRESS INACTIVE - USE ASS-NR - CDR / DE
[N/P]
Former [1989/02]Füchsle, Klaus, Dipl.-Ing., et al
Hoffmann, Eitle & Partner, Patentanwälte, Postfach 81 04 20
D-81904 München / DE
Application number, filing date88110778.306.07.1988
[1989/02]
Priority number, dateFI1987000296706.07.1987         Original published format: FI 872967
[1989/02]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0298442
Date:11.01.1989
Language:EN
[1989/02]
Type: A3 Search report 
No.:EP0298442
Date:05.04.1989
Language:EN
[1989/14]
Type: B1 Patent specification 
No.:EP0298442
Date:01.04.1992
Language:EN
[1992/14]
Search report(s)(Supplementary) European search report - dispatched on:EP14.02.1989
ClassificationIPC:F04D9/00, F04D29/70
[1989/02]
CPC:
F04D29/708 (EP,US); F04D9/003 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1989/02]
TitleGerman:Pumpe und Verfahren zur Abscheidung von Gas aus einem zu fördernde Fluidum[1989/02]
English:A pump and a method of separating gas by such from a fluid to be pumped[1989/02]
French:Pompe et procédé de séparation de gaz du fluide à pomper[1989/02]
Examination procedure06.07.1988Examination requested  [1989/02]
07.06.1989Request for accelerated examination filed
13.12.1989Despatch of a communication from the examining division (Time limit: M04)
13.12.1989Decision about request for accelerated examination - accepted: Yes
29.03.1990Reply to a communication from the examining division
31.08.1990Despatch of a communication from the examining division (Time limit: M06)
28.02.1991Reply to a communication from the examining division
22.05.1991Despatch of communication of intention to grant (Approval: Yes)
30.09.1991Communication of intention to grant the patent
19.12.1991Fee for grant paid
19.12.1991Fee for publishing/printing paid
Opposition(s)05.01.1993No opposition filed within time limit [1993/12]
Fees paidRenewal fee
31.07.1990Renewal fee patent year 03
31.07.1991Renewal fee patent year 04
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  TooltipBE01.04.1992
GR01.04.1992
IT01.04.1992
NL01.04.1992
GB06.07.1992
CH31.07.1992
LI31.07.1992
LU31.07.1992
[2007/52]
Former [2000/04]BE01.04.1992
GR01.04.1992
IT01.04.1992
NL01.04.1992
GB06.07.1992
CH31.07.1992
LI31.07.1992
LU31.07.1992
Former [1999/52]BE01.04.1992
IT01.04.1992
NL01.04.1992
GB06.07.1992
CH31.07.1992
LI31.07.1992
LU31.07.1992
Former [1999/42]BE01.04.1992
IT01.04.1992
NL01.04.1992
GB06.07.1992
CH31.07.1992
LI31.07.1992
Former [1993/47]BE01.04.1992
NL01.04.1992
GB06.07.1992
CH31.07.1992
LI31.07.1992
Former [1993/23]BE01.04.1992
NL01.04.1992
CH31.07.1992
LI31.07.1992
Former [1993/01]BE01.04.1992
NL01.04.1992
Former [1992/48]NL01.04.1992
Documents cited:Search[A]NL80028C  ;
 [X]FR456863  (CIE GENERALE D ELECTRICITE DE [FR]);
 [X]US1345895  (LAURENT SEGUIN);
 [A]DE858357  (EISELE SOEHNE FRANZ);
 [X]DE862563  (EISELE SOEHNE FRANZ);
 [X]DE864953  (EISELE SOEHNE FRANZ);
 [X]DE1023671  (JOSEF EISELE);
 [X]US3435771  (RIPLE JAMES C);
 [A]DE2312022  (GOESTA LARSSONS MEK VERKSTAD A);
 [A]US3944406  (JAGUSCH LEONHARD, et al);
 [X]US4194893  (RUSSELL WALTER W [GB], 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.