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EP0649580

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Extract from the Register of European Patents

EP About this file: EP0649580

EP0649580 - A DIGITAL FREQUENCY CONVERSION AND TUNING SCHEME FOR MICROWAVE RADIO RECEIVERS AND TRANSMITTERS [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 11.08.2000 Database last updated on 28.03.2026
Most recent event Tooltip	28.12.2007	Lapse of the patent in a contracting state New state(s): IT	published on 30.01.2008 [2008/05]
Applicant(s)	For all designated states COMSAT Corporation 6560 Rock Spring Drive Bethesda, MD 20817 / US
	[N/P]
Former [1995/17]	For all designated states COMSAT CORPORATION 6560 Rock Spring Drive Bethesda, MD 20817 / US
Inventor(s)	01 / CHALMERS, Harvey 4869 Sweetbirch Drive Rockville, MD 20853 / US
	[1995/17]
Representative(s)	Axelsson, Rolf, et al Kransell & Wennborg KB Box 27834 115 93 Stockholm / SE
	[N/P]
Former [1995/17]	Axelsson, Rolf, et al Kransell & Wennborg AB Box 27834 S-115 93 Stockholm / SE
Application number, filing date	94915971.9	06.05.1994
	[1995/17]
	WO1994US04812
Priority number, date	US19930057573	06.05.1993 Original published format: US 57573
	[1995/17]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO9427375
	Date:	24.11.1994
	Language:	EN
	[1994/26]
	Type:	A1 Application with search report
	No.:	EP0649580
	Date:	26.04.1995
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 24.11.1994 takes the place of the publication of the European patent application.
	[1995/17]
	Type:	B1 Patent specification
	No.:	EP0649580
	Date:	13.10.1999
	Language:	EN
	[1999/41]
Search report(s)	International search report - published on:	US	24.11.1994
	(Supplementary) European search report - dispatched on:	EP	21.12.1995
Classification	IPC:	H04B1/10, H03D7/16	[1996/06]
	CPC:	H04B1/30 (EP,US)
	Former IPC [1995/17]	H04B1/10
Designated contracting states	DE, FR, GB, IT [1995/17]
Title	German:	DIGITALE FREQUENZUMSETZ- UND ABSTIMMUNGSANORDNUNG FUR MIKROWELLENRADIOEMPFANGER UND SENDER	[1995/17]
	English:	A DIGITAL FREQUENCY CONVERSION AND TUNING SCHEME FOR MICROWAVE RADIO RECEIVERS AND TRANSMITTERS	[1995/17]
	French:	PROCEDE NUMERIQUE DE CONVERSION ET DE SYNTONISATION DE FREQUENCES POUR RECEPTEURS ET EMETTEURS RADIO A MICRO-ONDES	[1995/17]
Entry into regional phase	06.02.1995	National basic fee paid
	06.02.1995	Search fee paid
	06.02.1995	Designation fee(s) paid
	06.02.1995	Examination fee paid
Examination procedure	06.02.1995	Examination requested [1995/17]
	10.12.1996	Despatch of a communication from the examining division (Time limit: M04)
	11.04.1997	Reply to a communication from the examining division
	12.11.1998	Despatch of communication of intention to grant (Approval: Yes)
	13.04.1999	Communication of intention to grant the patent
	09.07.1999	Fee for grant paid
	09.07.1999	Fee for publishing/printing paid
Opposition(s)	14.07.2000	No opposition filed within time limit [2000/39]
Fees paid	Renewal fee
	22.04.1996	Renewal fee patent year 03
	28.04.1997	Renewal fee patent year 04
	27.07.1998	Renewal fee patent year 05
	04.06.1999	Renewal fee patent year 06
	Penalty fee
	Additional fee for renewal fee
	31.05.1998	05 M06 Fee paid on 27.07.1998
	01.06.1999	06 M06 Fee paid on 04.06.1999
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	FR	13.10.1999
	IT	13.10.1999
	DE	14.01.2000
	GB	06.05.2000
	[2008/05]
Former [2006/14]	FR	13.10.1999
	DE	14.01.2000
	GB	06.05.2000
Former [2002/09]	DE	14.01.2000
	FR	10.03.2000
	GB	06.05.2000
Former [2001/17]	FR	10.03.2000
	GB	06.05.2000
Former [2001/06]	FR	10.03.2000

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.