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EP0391715

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Extract from the Register of European Patents

EP About this file: EP0391715

EP0391715 - Echo canceller [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 18.10.1996 Database last updated on 04.06.2024
Most recent event Tooltip	30.11.2007	Lapse of the patent in a contracting state New state(s): NL	published on 02.01.2008 [2008/01]
Applicant(s)	For all designated states CODEX CORPORATION 20 Cabot Boulevard Mansfield Massachusetts 02048 / US
	[N/P]
Former [1990/41]	For all designated states CODEX CORPORATION 20 Cabot Boulevard Mansfield, Massachusetts 02048 / US
Inventor(s)	01 / Ling, Fuyun 202 Chestnut Avenue Jamaica Plain, Massachusetts 02130 / US
	02 / Long, Guozhu 162, Sherman Street Apt. A Canton, Massachusetts 02021 / US
	[1990/41]
Representative(s)	Dunlop, Hugh Christopher, et al Motorola European Intellectual Property Operations Midpoint Alencon Link Basingstoke, Hampshire RG21 7PL / GB
	[N/P]
Former [1991/18]	Dunlop, Hugh Christopher, et al Motorola, European Intellectual Property, Midpoint, Alencon Link Basingstoke, Hampshire RG21 7PL / GB
Former [1990/41]	Deans, Michael John Percy Lloyd Wise, Tregear & CO. Norman House 105-109 Strand London WC2R OAE / GB
Application number, filing date	90303667.1	05.04.1990
	[1990/41]
Priority number, date	US19890333992	05.04.1989 Original published format: US 333992
	[1990/41]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP0391715
	Date:	10.10.1990
	Language:	EN
	[1990/41]
	Type:	A3 Search report
	No.:	EP0391715
	Date:	13.01.1993
	Language:	EN
	[1993/02]
	Type:	B1 Patent specification
	No.:	EP0391715
	Date:	13.12.1995
	Language:	EN
	[1995/50]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	23.11.1992
Classification	IPC:	H04B3/23	[1990/41]
	CPC:	H04B3/237 (EP,US); H04B3/238 (EP,US)
Designated contracting states	AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL, SE [1990/41]
Title	German:	Echokompensator	[1990/41]
	English:	Echo canceller	[1990/41]
	French:	Annuleur d'écho	[1990/41]
Miscellaneous	EPB 1995/50: Teilanmeldung 94114547.6 eingereicht am 05/04/90
	EPB 1995/50: Divisional application 94114547.6 filed on 05/04/90
	EPB 1995/50: Demande divisionnaire 94114547.6 déposée le 05/04/90
Examination procedure	22.04.1993	Examination requested [1993/24]
	29.03.1994	Despatch of a communication from the examining division (Time limit: M04)
	08.08.1994	Reply to a communication from the examining division
	07.10.1994	Despatch of a communication from the examining division (Time limit: M04)
	17.02.1995	Reply to a communication from the examining division
	22.05.1995	Despatch of communication of intention to grant (Approval: Yes)
	13.06.1995	Communication of intention to grant the patent
	25.09.1995	Fee for grant paid
	25.09.1995	Fee for publishing/printing paid
Divisional application(s)	EP94114547.6 / EP0632601
	EP94114580.7 / EP0630119
Opposition(s)	14.09.1996	No opposition filed within time limit [1996/49]
Fees paid	Renewal fee
	23.04.1992	Renewal fee patent year 03
	26.04.1993	Renewal fee patent year 04
	28.04.1994	Renewal fee patent year 05
	02.05.1995	Renewal fee patent year 06
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	AT	13.12.1995
	CH	13.12.1995
	DK	13.12.1995
	ES	13.12.1995
	GR	13.12.1995
	IT	13.12.1995
	LI	13.12.1995
	NL	13.12.1995
	SE	13.03.1996
	LU	30.04.1996
	[2003/07]
Former [2002/24]	AT	13.12.1995
	CH	13.12.1995
	DK	13.12.1995
	ES	13.12.1995
	GR	13.12.1995
	IT	13.12.1995
	LI	13.12.1995
	SE	13.03.1996
	LU	30.04.1996
Former [2000/04]	AT	13.12.1995
	CH	13.12.1995
	DK	13.12.1995
	GR	13.12.1995
	IT	13.12.1995
	LI	13.12.1995
	SE	13.03.1996
	LU	30.04.1996
Former [1999/42]	AT	13.12.1995
	CH	13.12.1995
	DK	13.12.1995
	IT	13.12.1995
	LI	13.12.1995
	SE	13.03.1996
Former [1998/15]	AT	13.12.1995
	CH	13.12.1995
	DK	13.12.1995
	LI	13.12.1995
	SE	13.03.1996
Former [1997/13]	AT	13.12.1995
	CH	13.12.1995
	LI	13.12.1995
	SE	13.03.1996
Former [1996/42]	AT	13.12.1995
	SE	13.03.1996
Former [1996/32]	SE	13.03.1996
Documents cited:	Search	[A]US4594479 (FARROW CECIL W [US], et al);
		[X]US4621173 (GUIDOUX LOIC B Y [FR]);
		[X]US4645884 (BARAZECHE BAHMAN [FR], et al);
		[A]US4760596 (AGRAWAL JAGANNATH P [US], 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.

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