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EP0497994

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Extract from the Register of European Patents

EP About this file: EP0497994

EP0497994 - Method and circuit for monitoring an ion- or redox-potential measuring electrode system [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 16.02.1996 Database last updated on 11.04.2026
Most recent event Tooltip	29.02.1996	Renewal fee
Applicant(s)	For all designated states KNICK ELEKTRONISCHE MESSGERÄTE GMBH & CO. Beuckestrasse 22 D-14163 Berlin / DE
	[1992/33]
Inventor(s)	01 / Martell, Thomas Hubertusbader Strasse 30 W-1000 Berlin 33 / DE
	[1992/33]
Representative(s)	Knoblauch, Andreas, et al Patentanwälte Dr. Knoblauch PartGmbB Reuterweg 51-53 60323 Frankfurt am Main / DE
	[N/P]
Former [1992/33]	Knoblauch, Andreas, Dr.-Ing., et al Kühhornshofweg 10 D-60320 Frankfurt / DE
Application number, filing date	91101050.2	28.01.1991
	[1992/33]
Filing language	DE
Procedural language	DE
Publication	Type:	A1 Application with search report
	No.:	EP0497994
	Date:	12.08.1992
	Language:	DE
	[1992/33]
	Type:	B1 Patent specification
	No.:	EP0497994
	Date:	12.04.1995
	Language:	DE
	[1995/15]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	16.09.1991
Classification	IPC:	G01N27/416, G01R27/02	[1992/33]
	CPC:	G01N27/4165 (EP)
Designated contracting states	DE [1994/39]
Former [1992/33]	DE, FR, GB, NL
Title	German:	Verfahren und Schaltungsanordnung zur Überwachung von ionen- oder redoxpotential-sensitiven Messketten	[1992/33]
	English:	Method and circuit for monitoring an ion- or redox-potential measuring electrode system	[1992/33]
	French:	Méthode et circuit pour la surveillance d'une chaîne de mesure d'ions ou d'un potentiel redox	[1992/33]
Examination procedure	08.11.1991	Examination requested [1992/33]
	22.03.1994	Despatch of communication of intention to grant (Approval: Yes)
	21.07.1994	Communication of intention to grant the patent
	01.10.1994	Fee for grant paid
	01.10.1994	Fee for publishing/printing paid
Opposition(s)	13.01.1996	No opposition filed within time limit [1996/14]
Fees paid	Renewal fee
	26.01.1993	Renewal fee patent year 03
	14.03.1994	Renewal fee patent year 04
	24.01.1995	Renewal fee patent year 05
	Penalty fee
	Additional fee for renewal fee
	31.01.1994	04 M06 Fee paid on 14.03.1994
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.
Documents cited:	Search	[A] JP61181951
		[A] PATENT ABSTRACTS OF JAPAN vol. 11, no. 2 (P-532)(2449) 06 Januar 1987, & JP-A-61 181951 (SEITAI KINOU RIYOU K.S.G.K.) 14 August 1986 [A]

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