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Extract from the Register of European Patents

EP About this file: EP0623232

EP0623232 - VIDEO GRAPHICS CONTROLLER WITH IMPROVED CALCULATION CAPABILITIES [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 28.02.1997 Database last updated on 03.09.2024
Most recent event Tooltip	28.12.2007	Lapse of the patent in a contracting state New state(s): NL	published on 30.01.2008 [2008/05]
Applicant(s)	For all designated states Compaq Computer Corporation 20555 S.H. 249 Houston Texas 77070 / US
	[N/P]
Former [1994/45]	For all designated states Compaq Computer Corporation 20555 S.H. 249 Houston Texas 77070 / US
Inventor(s)	01 / ALBERS, Thomas, M. 8222 Devonwood Lane Houston, TX 77070 / US
	02 / EBERST, John, V. 710 C Hawthorne Houston, TX 77006 / US
	03 / FONTENOT, Darwin 18631 Mink Lake Magnolia TX 77355 / US
	04 / PYRA, Richard L. 13555 Breton Ridge, Apt. No. 1623 Houston, TX 77070 / US
	05 / WELKER, Mark, W. 6314 Hickory Crest Spring, TX 77389 / US
	06 / WOOD, Paul, B. 8034 Democracy Court Spring, TX 77379 / US
	07 / BRESENHAM, Jack, E. 1131 Richmond Drive Rock Hill, SC 29732 / US
	[1996/16]
Former [1994/45]	01 / ALBERS, Thomas, M. 8222 Devonwood Lane Houston, TX 77070 / US
	02 / EBERST, John, V. 710 C Hawthorne Houston, TX 77006 / US
	03 / FONTENOT, Darwin 1014 Romaine Lane Houston, TX 77090 / US
	04 / PYRA, Richard L. 13555 Breton Ridge, Apt. No. 1623 Houston, TX 77070 / US
	05 / WELKER, Mark, W. 6314 Hickory Crest Spring, TX 77389 / US
	06 / WOOD, Paul, B. 8034 Democracy Court Spring, TX 77379 / US
	07 / BRESENHAM, Jack, E. 1131 Richmond Drive Rock Hill, SC 29732 / US
Representative(s)	Brunner, Michael John, et al Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES / GB
	[N/P]
Former [1994/45]	Brunner, Michael John, et al GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH / GB
Application number, filing date	93904597.7	13.01.1993
	[1994/45]
	WO1993US00622
Priority number, date	US19920822992	21.01.1992 Original published format: US 822992
	[1994/45]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO9314468
	Date:	22.07.1993
	Language:	EN
	[1993/18]
	Type:	A1 Application with search report
	No.:	EP0623232
	Date:	09.11.1994
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 22.07.1993 takes the place of the publication of the European patent application.
	[1994/45]
	Type:	B1 Patent specification
	No.:	EP0623232
	Date:	17.04.1996
	Language:	EN
	[1996/16]
Search report(s)	International search report - published on:	EP	22.07.1993
Classification	IPC:	G06T11/20	[1996/16]
	CPC:	G06T11/203 (EP,US)
	Former IPC [1994/45]	G06F15/72
Designated contracting states	AT, BE, CH, DE, DK, ES, FR, GB, IE, IT, LI, NL, SE [1994/45]
Title	German:	GRAPHISCHE VIDEOKONTROLLEINHEIT MIT VERBESSERTEN RECHENFAEHIGKEITEN	[1994/45]
	English:	VIDEO GRAPHICS CONTROLLER WITH IMPROVED CALCULATION CAPABILITIES	[1994/45]
	French:	CONTROLEUR GRAPHIQUE VIDEO A CAPACITES DE CALCUL AMELIOREES	[1994/45]
Entry into regional phase	28.07.1994	National basic fee paid
	28.07.1994	Designation fee(s) paid
	28.07.1994	Examination fee paid
Examination procedure	12.08.1993	Request for preliminary examination filed International Preliminary Examining Authority: EP
	28.07.1994	Examination requested [1994/45]
	12.06.1995	Despatch of communication of intention to grant (Approval: Yes)
	20.10.1995	Communication of intention to grant the patent
	04.01.1996	Fee for grant paid
	04.01.1996	Fee for publishing/printing paid
Opposition(s)	18.01.1997	No opposition filed within time limit [1997/16]
Fees paid	Renewal fee
	27.03.1995	Renewal fee patent year 03
	10.01.1996	Renewal fee patent year 04
	Penalty fee
	Additional fee for renewal fee
	31.01.1995	03 M06 Fee paid on 27.03.1995
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	17.04.1996
	BE	17.04.1996
	CH	17.04.1996
	DK	17.04.1996
	ES	17.04.1996
	IT	17.04.1996
	LI	17.04.1996
	NL	17.04.1996
	SE	17.07.1996
	IE	13.01.1997
	[2003/08]
Former [2002/26]	AT	17.04.1996
	BE	17.04.1996
	CH	17.04.1996
	DK	17.04.1996
	ES	17.04.1996
	IT	17.04.1996
	LI	17.04.1996
	SE	17.07.1996
	IE	13.01.1997
Former [2001/01]	AT	17.04.1996
	BE	17.04.1996
	CH	17.04.1996
	DK	17.04.1996
	IT	17.04.1996
	LI	17.04.1996
	SE	17.07.1996
	IE	13.01.1997
Former [1999/42]	AT	17.04.1996
	BE	17.04.1996
	CH	17.04.1996
	DK	17.04.1996
	IT	17.04.1996
	LI	17.04.1996
	SE	17.07.1996
Former [1998/15]	AT	17.04.1996
	BE	17.04.1996
	CH	17.04.1996
	DK	17.04.1996
	LI	17.04.1996
	SE	17.07.1996
Former [1997/28]	AT	17.04.1996
	BE	17.04.1996
	CH	17.04.1996
	LI	17.04.1996
	SE	17.07.1996
Former [1997/20]	AT	17.04.1996
	BE	17.04.1996
	SE	17.07.1996
Former [1997/03]	AT	17.04.1996
	SE	17.07.1996
Former [1996/47]	SE	17.07.1996
Cited in	International search	[X]US4677573 (BROWN MARK W [US], et al);
		[A]GB2207839 (IBM)
		[A] - IEEE COMPUTER GRAPHICS & APPLICATIONS vol. 7, no. 1, January 1987, USA pages 31 - 43 BRESENHAM 'ambiguities in incremental line rastering' cited in the application
		[A] - IBM TDB vol. 27, no. 8, January 1985, USA pages 4618 - 4622 BOWATER ET AL. 'raster graphics drawing hardware'

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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