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EP0346687

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Extract from the Register of European Patents

EP About this file: EP0346687

EP0346687 - Method of suppressing interference in ultrasonic distance measurement [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 04.06.1994 Database last updated on 28.03.2026
Most recent event Tooltip	28.02.1997	Lapse of the patent in a contracting state	published on 16.04.1997 [1997/16]
Applicant(s)	For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE
	[N/P]
Former [1989/51]	For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE
Inventor(s)	01 / Forster, Alfred, Dipl.-Ing. (FH) Nariskerstrasse 3 D-8460 Schwandorf / DE
	02 / Schorner, Gerd, Dipl.-Ing. (FH) Steinhauser Strasse 7 D-8450 Amberg / DE
	[1989/51]
Application number, filing date	89109864.2	31.05.1989
	[1989/51]
Priority number, date	DE19883820103	13.06.1988 Original published format: DE 3820103
	[1989/51]
Filing language	DE
Procedural language	DE
Publication	Type:	A1 Application with search report
	No.:	EP0346687
	Date:	20.12.1989
	Language:	DE
	[1989/51]
	Type:	B1 Patent specification
	No.:	EP0346687
	Date:	04.08.1993
	Language:	DE
	[1993/31]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	18.08.1989
Classification	IPC:	G01S15/10, G01S7/52	[1989/51]
	CPC:	G01S15/10 (EP,US)
Designated contracting states	AT, CH, DE, ES, FR, GB, IT, LI [1989/51]
Title	German:	Verfahren zur Störunterdrückung bei Ultraschall-Abstandsmessungen	[1989/51]
	English:	Method of suppressing interference in ultrasonic distance measurement	[1989/51]
	French:	Procédé pour supprimer les parasites dans la mesure de distance à ultrasons	[1989/51]
Examination procedure	26.01.1990	Examination requested [1990/12]
	06.08.1992	Despatch of a communication from the examining division (Time limit: M04)
	23.10.1992	Reply to a communication from the examining division
	18.12.1992	Despatch of communication of intention to grant (Approval: Yes)
	05.02.1993	Communication of intention to grant the patent
	22.04.1993	Fee for grant paid
	22.04.1993	Fee for publishing/printing paid
Opposition(s)	05.05.1994	No opposition filed within time limit [1994/30]
Fees paid	Renewal fee
	20.12.1990	Renewal fee patent year 03
	21.05.1992	Renewal fee patent year 04
	19.05.1993	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.
Documents cited:	Search	[A] ULTRASONICS, Band 11, Nr. 4, Juli 1973, Seiten 165-173, Guilford, Surrey, GB; S. LEES et al.: "DONAR: a computer processing system to extend ultrasonic pulse-echo testing" [A]

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