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EP0424451

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Extract from the Register of European Patents

EP About this file: EP0424451

EP0424451 - LADDER LEVELLING DEVICE [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 11.12.1993 Database last updated on 25.09.2024
Most recent event Tooltip	30.11.2007	Lapse of the patent in a contracting state Updated state(s): FR	published on 02.01.2008 [2008/01]
Applicant(s)	For all designated states CLARKE, James Brian 120 Shepherds Hill Harold Wood Essex RM3 0NJ / GB
	[N/P]
Former [1991/18]	For all designated states CLARKE, James Brian 120 Shepherds Hill Harold Wood Essex RM3 0NJ / GB
Inventor(s)	01 / see applicant ...
	[1991/18]
Representative(s)	Jackson, Peter Arthur, et al GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH / GB
	[N/P]
Former [1991/18]	Jackson, Peter Arthur, et al GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH / GB
Application number, filing date	89908453.7	06.07.1989
	[1991/18]
	WO1989GB00767
Priority number, date	GB19880016599	13.07.1988 Original published format: GB 8816599
	[1991/18]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO9000665
	Date:	25.01.1990
	Language:	EN
	[1990/03]
	Type:	A1 Application with search report
	No.:	EP0424451
	Date:	02.05.1991
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 25.01.1990 takes the place of the publication of the European patent application.
	[1991/18]
	Type:	B1 Patent specification
	No.:	EP0424451
	Date:	10.02.1993
	Language:	EN
	[1993/06]
Search report(s)	International search report - published on:	EP	25.01.1990
Classification	IPC:	E06C7/44	[1991/18]
	CPC:	E06C7/44 (EP,US)
Designated contracting states	AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1991/18]
Title	German:	AUSGLEICHSVORRICHTUNG FÜR LEITERN	[1991/18]
	English:	LADDER LEVELLING DEVICE	[1991/18]
	French:	DISPOSITIF DE MISE A NIVEAU D'UNE ECHELLE	[1991/18]
Entry into regional phase	12.12.1990	National basic fee paid
	12.12.1990	Designation fee(s) paid
	12.12.1990	Examination fee paid
Examination procedure	06.02.1990	Request for preliminary examination filed International Preliminary Examining Authority: FR
	12.12.1990	Examination requested [1991/18]
	17.02.1992	Despatch of a communication from the examining division (Time limit: M04)
	10.03.1992	Reply to a communication from the examining division
	03.04.1992	Despatch of communication of intention to grant (Approval: Yes)
	07.08.1992	Communication of intention to grant the patent
	05.11.1992	Fee for grant paid
	05.11.1992	Fee for publishing/printing paid
Opposition(s)	11.11.1993	No opposition filed within time limit [1994/05]
Fees paid	Renewal fee
	29.07.1991	Renewal fee patent year 03
	27.07.1992	Renewal fee patent year 04
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	10.02.1993
	BE	10.02.1993
	CH	10.02.1993
	DE	10.02.1993
	FR	10.02.1993
	IT	10.02.1993
	LI	10.02.1993
	NL	10.02.1993
	SE	10.02.1993
	LU	31.07.1993
	[2004/35]
Former [2000/06]	AT	10.02.1993
	BE	10.02.1993
	CH	10.02.1993
	DE	10.02.1993
	IT	10.02.1993
	LI	10.02.1993
	NL	10.02.1993
	SE	10.02.1993
	FR	02.07.1993
	LU	31.07.1993
Former [1999/42]	AT	10.02.1993
	BE	10.02.1993
	CH	10.02.1993
	DE	10.02.1993
	IT	10.02.1993
	LI	10.02.1993
	NL	10.02.1993
	SE	10.02.1993
	FR	02.07.1993
Former [1994/25]	AT	10.02.1993
	BE	10.02.1993
	CH	10.02.1993
	DE	10.02.1993
	LI	10.02.1993
	NL	10.02.1993
	SE	10.02.1993
	FR	02.07.1993
Former [1994/23]	BE	10.02.1993
	CH	10.02.1993
	DE	10.02.1993
	LI	10.02.1993
	NL	10.02.1993
	SE	10.02.1993
	FR	02.07.1993
Former [1993/47]	BE	10.02.1993
	CH	10.02.1993
	DE	10.02.1993
	LI	10.02.1993
	NL	10.02.1993
	SE	10.02.1993
Former [1993/40]	CH	10.02.1993
	DE	10.02.1993
	LI	10.02.1993
	NL	10.02.1993
	SE	10.02.1993
Former [1993/38]	CH	10.02.1993
	LI	10.02.1993
	NL	10.02.1993
	SE	10.02.1993
Former [1993/36]	SE	10.02.1993
Cited in	International search	US2708543 [ ] (JOHN MATICH);
		US3086612 [ ] (MCKINLEY DONALD E);
		US3993275 [ ] (LUCAS EDWIN K);
		US4230202 [ ] (KUDRA III ANTHONY J);
		FR2542802 [ ] (REY HENRI [FR]);
		WO8502650 [ ] (CLARKE JAMES BRIAN);
		GB2156415 [ ] (KITSON MICHAEL JAMES);
		GB2160570 [ ] (CRABBE HENRY JOHN FREDERICK)

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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