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EP0458385

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EP About this file: EP0458385

EP0458385 - Wholly digital process for the generation of multi-level modulation signals [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 29.05.1998 Database last updated on 05.10.2024
Most recent event Tooltip	07.12.2007	Lapse of the patent in a contracting state Updated state(s): FR	published on 09.01.2008 [2008/02]
Applicant(s)	For all designated states Italtel S.p.a. Via Alessio di Tocqueville, 13 20154 Milano / IT
	[N/P]
Former [1996/44]	For all designated states Italtel s.p.a. Piazzale Zavattari, 12 20149 Milano / IT
Former [1991/48]	For all designated states SIEMENS TELECOMUNICAZIONI S.P.A. SS. 11 Padana Superiore Km. 158 I-20060 Cassina de Pecchi (Milano) / IT
Inventor(s)	01 / Lo Curto, Michelangelo Via Virgilio, 4 I-20038 Seregno (Milano) / IT
	02 / Salerno, Marcello Via Bosatra, 12 I-20064 Gorgonzola, (Milano) / IT
	[1991/48]
Representative(s)	(deleted)
	[1992/40]
Former [1991/48]	Mittler, Enrico, et al c/o Marchi & Mittler s.r.l. Viale Lombardia, 20 I-20131 Milano / IT
Application number, filing date	91201116.0	10.05.1991
	[1991/48]
Priority number, date	IT19900020380	18.05.1990 Original published format: IT 2038090
	[1991/48]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP0458385
	Date:	27.11.1991
	Language:	EN
	[1991/48]
	Type:	A3 Search report
	No.:	EP0458385
	Date:	24.02.1993
	Language:	EN
	[1993/08]
	Type:	B1 Patent specification
	No.:	EP0458385
	Date:	23.07.1997
	Language:	EN
	[1997/30]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	06.01.1993
Classification	IPC:	H04L27/36	[1993/08]
	CPC:	H04L27/365 (EP,US)
	Former IPC [1991/48]	H04L27/34
Designated contracting states	CH, DE, ES, FR, GB, GR, IT, LI, SE [1991/48]
Title	German:	Rein digitales Verfahren zur Erzeugung mehrstufiger Modulationssignale	[1997/30]
	English:	Wholly digital process for the generation of multi-level modulation signals	[1991/48]
	French:	Procédé entièrement numérique pour la génération de signaux d'une modulation à plusieurs niveaux	[1991/48]
	Former [1991/48]	Rein digitalisches Verfahren zur Erzeugung mehrstufiger Modulationssignale
Examination procedure	04.08.1993	Examination requested [1993/39]
	28.12.1995	Despatch of a communication from the examining division (Time limit: M04)
	15.04.1996	Reply to a communication from the examining division
	11.11.1996	Despatch of communication of intention to grant (Approval: Yes)
	10.01.1997	Communication of intention to grant the patent
	04.04.1997	Fee for grant paid
	04.04.1997	Fee for publishing/printing paid
Opposition(s)	24.04.1998	No opposition filed within time limit [1998/29]
Fees paid	Renewal fee
	19.05.1993	Renewal fee patent year 03
	19.05.1994	Renewal fee patent year 04
	18.05.1995	Renewal fee patent year 05
	20.05.1996	Renewal fee patent year 06
	20.05.1997	Renewal fee patent year 07
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	23.07.1997
	ES	23.07.1997
	FR	23.07.1997
	GR	23.07.1997
	IT	23.07.1997
	LI	23.07.1997
	SE	23.10.1997
	DE	24.10.1997
	[2006/14]
Former [2002/25]	CH	23.07.1997
	ES	23.07.1997
	GR	23.07.1997
	IT	23.07.1997
	LI	23.07.1997
	SE	23.10.1997
	DE	24.10.1997
	FR	19.12.1997
Former [2000/05]	CH	23.07.1997
	GR	23.07.1997
	IT	23.07.1997
	LI	23.07.1997
	SE	23.10.1997
	DE	24.10.1997
	FR	19.12.1997
Former [1999/42]	CH	23.07.1997
	IT	23.07.1997
	LI	23.07.1997
	SE	23.10.1997
	DE	24.10.1997
	FR	19.12.1997
Former [1998/43]	CH	23.07.1997
	LI	23.07.1997
	SE	23.10.1997
	DE	24.10.1997
	FR	19.12.1997
Former [1998/19]	SE	23.10.1997
	DE	24.10.1997
	FR	19.12.1997
Former [1998/15]	SE	23.10.1997
	DE	24.10.1997
Former [1998/12]	SE	23.10.1997
Documents cited:	Search	[A]WO8603356 (DEVON COUNTY COUNCIL [GB], et al);
		[A]EP0194903 (FAIRCHILD SEMICONDUCTOR [US]);
		[A]EP0194791 (DIGITAL EQUIPMENT CORP [US]);
		[Y]US4626803 (HOLM JOHN R [US]);
		[Y]US4680556 (NAKAMURA SHIGEKI [JP], et al);
		[A]EP0258584 (HAYES MICROCOMPUTER PROD [US])

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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