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EP0323749

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EP About this file: EP0323749

EP0323749 - Method and means for facilitating the discharge of a drop leg or the like and treating pulp in said space [Right-click to bookmark this link]
Status	Patent revoked Status updated on 28.06.1996 Database last updated on 27.07.2024
Most recent event Tooltip	28.06.1996	Revocation of patent	published on 14.08.1996 [1996/33]
Applicant(s)	For all designated states A. AHLSTROM CORPORATION 29600 Noormarkku / FI
	[N/P]
Former [1989/28]	For all designated states A. AHLSTROM CORPORATION FIN-29600 Noormarkku / FI
Inventor(s)	01 / Reponen, Voitto Kosselinkatu 7 SF-48600 Karhula / FI
	02 / Timperi, Jukka Kasilanpolku 18 A 2 SF-48400 Kotka / FI
	03 / Vesala, Reijo Lohniementie 29 SF-48300 Kotka / FI
	04 / Vikman, Vesa II piiri Riihikallio SF-48720 Kymi / FI
	[1989/28]
Representative(s)	Görg, Klaus, et al Hoffmann - Eitle ATTENTION : ADDRESS INACTIVE - USE ASS-NR - CDR / DE
	[N/P]
Former [1996/08]	Görg, Klaus, Dipl.-Ing., et al Hoffmann, Eitle & Partner Patent- und Rechtsanwälte Postfach 81 04 20 D-81904 München / DE
Former [1989/28]	Gilmour, David Cedric Franklyn, et al POTTS, KERR & CO. 15 Hamilton Square Birkenhead Merseyside L41 6BR / GB
Application number, filing date	88312336.6	28.12.1988
	[1989/28]
Priority number, date	FI19880000018	05.01.1988 Original published format: FI 880018
	[1989/28]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP0323749
	Date:	12.07.1989
	Language:	EN
	[1989/28]
	Type:	A3 Search report
	No.:	EP0323749
	Date:	14.11.1990
	Language:	EN
	[1990/46]
	Type:	B1 Patent specification
	No.:	EP0323749
	Date:	21.07.1993
	Language:	EN
	[1993/29]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	24.09.1990
Classification	IPC:	D21C9/00, D21D5/28, B01F7/00	[1989/28]
	CPC:	D21D5/28 (EP,US); D21C9/00 (EP,US)
Designated contracting states	AT, CH, DE, FR, GB, IT, LI, NL, SE [1989/28]
Title	German:	Verfahren und Mittel um die Entleerung eines Fallrohrs oder dergleichen zu erleichtern und die Behandlung von Pulpe im besagten Fass	[1989/28]
	English:	Method and means for facilitating the discharge of a drop leg or the like and treating pulp in said space	[1989/28]
	French:	Procédé et moyens pour faciliter la décharge d'un tuyau de descente ou dispositif similaire et traitement d'un pâte dans ladite cuve	[1993/29]
	Former [1989/28]	Procédé et moyens pour faciliter la décharge d'un tuyau de descente ou dispositif similaire et traitement d'une pâte dans ladite cuve
Examination procedure	17.01.1989	Examination requested [1989/28]
	27.09.1991	Request for accelerated examination filed
	17.10.1991	Despatch of a communication from the examining division (Time limit: M04)
	17.10.1991	Decision about request for accelerated examination - accepted: Yes
	02.12.1991	Reply to a communication from the examining division
	20.07.1992	Despatch of communication of intention to grant (Approval: No)
	20.11.1992	Despatch of communication of intention to grant (Approval: later approval)
	26.11.1992	Communication of intention to grant the patent
	20.02.1993	Fee for grant paid
	20.02.1993	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 19.04.1994 27.05.1994 ADMISSIBLE ANDRITZ-Patentverwaltungs-Gesellschaft m.b.H. Stattegger Str. 18 A-8045 Graz / AT Opponent's representative Schweinzer, Friedrich Maschinenfabrik Andritz AG Statteggerstrasse 18 8045 Graz / AT
		02 21.04.1994 25.05.1994 ADMISSIBLE Kvaerner Pulping Technologies AB PO Box 1033 651 15 Karlstad / SE Opponent's representative Harrison, Michael Charles ALBIHNS GmbH, Grasserstrasse 10 80339 München / DE
		[N/P]
	Former [1996/19]
	Opponent(s)	01 19.04.1994 27.05.1994 ADMISSIBLE ANDRITZ-Patentverwaltungs-Gesellschaft m.b.H. Stattegger Str. 18 A-8045 G R A Z / AT Opponent's representative Schweinzer, Friedrich Maschinenfabrik Andritz AG Statteggerstrasse 18 A-8045 Graz / AT
		02 21.04.1994 25.05.1994 ADMISSIBLE Kvaerner Pulping Technologies AB PO Box 1033 651 15 Karlstad / SE Opponent's representative Harrison, Michael Charles Albihn GmbH i.G., Grasserstrasse 10 D-80339 München / DE
	Former [1994/52]
	Opponent(s)	01 19.04.1994 27.05.1994 ADMISSIBLE ANDRITZ-Patentverwaltungs-Gesellschaft m.b.H. Stattegger Str. 18 A-8045 G R A Z / AT Opponent's representative Schweinzer, Friedrich Maschinenfabrik Andritz AG Statteggerstrasse 18 A-8045 Graz / AT
		02 21.04.1994 25.05.1994 ADMISSIBLE Kvaerner Pulping Technologies AB PO Box 1033 651 15 Karlstad / SE Opponent's representative Lettström, Richard Wilhelm H. Albihns Patentbyra AB, Box 3137 S-103 62 Stockholm / SE
	Former [1994/50]
	Opponent(s)	01 19.04.1994 27.05.1994 ADMISSIBLE ANDRITZ-Patentverwaltungs-Gesellschaft m.b.H. Stattegger Str. 18 A-8045 G R A Z / AT Opponent's representative Schweinzer, Friedrich Maschinenfabrik Andritz AG Statteggerstrasse 18 A-8045 Graz / AT
		02 21.04.1994 25.05.1994 ADMISSIBLE Kvaerner Pulping Technologies AB PO Box 1033 651 15 Karlstad / SE Opponent's representative Lettström, Richard Wilhelm AB Dahls Patentbyra, P.O. Box 606 S-182 16 Danderyd / SE
	Former [1994/24]
	Opponent(s)	01 19.04.1994 ANDRITZ-Patentverwaltungs-Gesellschaft m.b.H. Stattegger Str. 18 A-8045 G R A Z / AT Opponent's representative Schweinzer, Friedrich Maschinenfabrik Andritz AG Statteggerstrasse 18 A-8045 Graz / AT
		02 21.04.1994 Kamyr AB PO Box 1033 651 15 Karlstad / SE Opponent's representative Lettström, Richard Wilhelm AB Dahls Patentbyra, P.O. Box 606 S-182 16 Danderyd / SE
	Former [1994/24]
	Opponent(s)	01 19.04.1994 ADMISSIBLE ANDRITZ-Patentverwaltungs-Gesellschaft m.b.H. Stattegger Str. 18 A-8045 G R A Z / AT Opponent's representative Schweinzer, Friedrich Maschinenfabrik Andritz AG Statteggerstrasse 18 A-8045 Graz / AT
	Former [1994/23]
	Opponent(s)	01 19.04.1994 ANDRITZ-Patentverwaltungs-Gesellschaft m.b.H. Stattegger Str. 18 A-8045 G R A Z / AT
	29.06.1994	Invitation to proprietor to file observations on the notice of opposition
	22.12.1994	Reply of patent proprietor to notice(s) of opposition
	09.02.1996	Date of oral proceedings
	21.03.1996	Despatch of minutes of oral proceedings
	21.03.1996	Despatch of communication that the patent will be revoked
	31.03.1996	Legal effect of revocation of patent [1996/33]
Fees paid	Renewal fee
	07.11.1990	Renewal fee patent year 03
	28.10.1991	Renewal fee patent year 04
	18.12.1992	Renewal fee patent year 05
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 Tooltip	CH	21.07.1993
	LI	21.07.1993
	[1994/04]
Documents cited:	Search	[A]US2745274 (RICH JOHN P);
		[A]DE3429515 (VOITH GMBH J M [DE])
		[A] - TAPPI. vol. 64, no. 6, June 1981, ATLANTA US pages 69 - 72; J.GULLICHSEN ET AL.: "Medium consistency technology."
	Examination	EP0269124
		- TAPPI, vol. 64, no. 9, September 1981; pp. 113-116*

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.

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