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EP1371446

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Extract from the Register of European Patents

EP About this file: EP1371446

EP1371446 - Use helium/nitrogen gas mixtures in laser welding of abutted flanks [Right-click to bookmark this link]
Status	Patent revoked Status updated on 18.10.2013 Database last updated on 22.10.2024
Most recent event Tooltip	17.01.2014	Lapse of the patent in a contracting state New state(s): CH, LI	published on 19.02.2014 [2014/08]
Applicant(s)	For all designated states L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude 75, Quai d'Orsay 75007 Paris / FR
	[N/P]
Former [2007/26]	For all designated states L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude 75, quai d'Orsay 75007 Paris / FR
Former [2007/17]	For all designated states L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude 75, Quai d'Orsay 75321 Paris Cedex 07 / FR
Former [2003/51]	For all designated states L'Air Liquide S. A. à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude 75, Quai d'Orsay 75321 Paris Cedex 07 / FR
Inventor(s)	01 / Briand, Francis 62 rue St. Lazare 75009 Paris / FR
	02 / Chouf, Karim 5 rue Lucien Guillou 93380 Epinay S/seine / FR
	03 / Lefebvre, Philippe 7 rue Waldeck Rousseau 95310 Saitouen l'Aumone / FR
	04 / Verna, Eric 34 rue Pasteur 95650 Boissy l'Aillerie / FR
	[2003/51]
Representative(s)	Pittis, Olivier L'Air Liquide S.A. 75, quai d'Orsay 75321 Paris Cedex 07 / FR
	[N/P]
Former [2003/51]	Pittis, Olivier L'Air Liquide S.A. 75, quai d'Orsay 75321 Paris Cedex 07 / FR
Application number, filing date	03291249.5	26.05.2003
	[2003/51]
Priority number, date	FR20020007343	14.06.2002 Original published format: FR 0207343
	[2003/51]
Filing language	FR
Procedural language	FR
Publication	Type:	A1 Application with search report
	No.:	EP1371446
	Date:	17.12.2003
	Language:	FR
	[2003/51]
	Type:	B1 Patent specification
	No.:	EP1371446
	Date:	12.03.2008
	Language:	FR
	[2008/11]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	17.09.2003
Classification	IPC:	B23K26/12, B23K35/38, B23K26/32	[2003/51]
	CPC:	B23K26/123 (EP,US); B23K26/125 (EP,US); B23K26/32 (EP,US); B23K35/383 (EP,US); B23K2101/35 (EP,US); B23K2103/04 (EP,US); (+) B23K2103/50 (EP,US) (-)
Designated contracting states	AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LI, LU, MC, NL, PT, RO, SE, SI, SK, TR [2003/51]
Title	German:	Gebrauch von Helium/Stickstoff-Gasgemischen beim Schweissen von gestumpften Flanken	[2003/51]
	English:	Use helium/nitrogen gas mixtures in laser welding of abutted flanks	[2003/51]
	French:	Utilisation de mélanges gazeux hélium/azote en soudage laser de flancs raboutés	[2003/51]
Examination procedure	17.06.2004	Examination requested [2004/34]
	28.09.2007	Communication of intention to grant the patent
	10.01.2008	Fee for grant paid
	10.01.2008	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 11.12.2008 ADMISSIBLE Linde AG Klosterhofstr. 1 80331 München / DE
		[N/P]
	Former [2009/04]
	Opponent(s)	01 11.12.2008 ADMISSIBLE Linde Aktiengesellschaft Klosterhofstr. 1 80331 München / DE
	09.02.2009	Invitation to proprietor to file observations on the notice of opposition
	26.02.2009	Reply of patent proprietor to notice(s) of opposition
	04.03.2010	Date of oral proceedings
	01.04.2010	Despatch of minutes of oral proceedings
	01.04.2010	Despatch of communication that the patent will be revoked
	07.02.2013	Legal effect of revocation of patent [2013/47]
Appeal following opposition	07.05.2010	Appeal received No. T1125/10
	04.06.2010	Statement of grounds filed
	07.02.2013	Result of appeal procedure: appeal of the proprietor was rejected
	07.02.2013	Date of oral proceedings
	19.02.2013	Minutes of the oral proceedings despatched
Fees paid	Renewal fee
	15.04.2005	Renewal fee patent year 03
	13.04.2006	Renewal fee patent year 04
	16.04.2007	Renewal fee patent year 05
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	12.03.2008
	CY	12.03.2008
	DK	12.03.2008
	EE	12.03.2008
	FI	12.03.2008
	IE	12.03.2008
	LI	12.03.2008
	SI	12.03.2008
	TR	12.03.2008
	MC	31.05.2008
	BG	12.06.2008
	GR	13.06.2008
	HU	13.09.2008
	[2014/08]
Former [2010/48]	CY	12.03.2008
	DK	12.03.2008
	EE	12.03.2008
	FI	12.03.2008
	IE	12.03.2008
	SI	12.03.2008
	TR	12.03.2008
	MC	31.05.2008
	BG	12.06.2008
	GR	13.06.2008
	HU	13.09.2008
Former [2010/37]	CY	12.03.2008
	DK	12.03.2008
	EE	12.03.2008
	FI	12.03.2008
	IE	12.03.2008
	SI	12.03.2008
	TR	12.03.2008
	MC	31.05.2008
	BG	12.06.2008
	HU	13.09.2008
Former [2010/34]	CY	12.03.2008
	DK	12.03.2008
	EE	12.03.2008
	FI	12.03.2008
	IE	12.03.2008
	SI	12.03.2008
	MC	31.05.2008
	BG	12.06.2008
	HU	13.09.2008
Former [2009/43]	CY	12.03.2008
	DK	12.03.2008
	EE	12.03.2008
	FI	12.03.2008
	IE	12.03.2008
	SI	12.03.2008
	MC	31.05.2008
	BG	12.06.2008
Former [2009/23]	DK	12.03.2008
	EE	12.03.2008
	FI	12.03.2008
	IE	12.03.2008
	SI	12.03.2008
	MC	31.05.2008
	BG	12.06.2008
Former [2009/22]	DK	12.03.2008
	EE	12.03.2008
	FI	12.03.2008
	IE	12.03.2008
	SI	12.03.2008
	MC	31.05.2008
Former [2009/08]	DK	12.03.2008
	FI	12.03.2008
	IE	12.03.2008
	SI	12.03.2008
	MC	31.05.2008
Former [2009/04]	FI	12.03.2008
	SI	12.03.2008
	MC	31.05.2008
Former [2008/44]	FI	12.03.2008
	SI	12.03.2008
Former [2008/39]	FI	12.03.2008
Documents cited:	Search	[A]DE3726072 (THYSSEN EDELSTAHLWERKE AG [DE]) [A] 1* claims 1,6,8 *;
		[A]US6281472 (FAERBER MARK [DE]) [A] 1-6 * the whole document *;
		[A]WO0243918 (LINDE AG [DE], et al) [A] 1-7,10 * the whole document *
	by applicant	DE2713904
		JPS56122690
		JPS61232087
		JPS62104693
		DE3619513
		WO8801553
		JPS645692
		JPS645693
		JPS645694
		JPS6448692
		US4871897
		JPH0220681
		JPH0220682
		JPH0220683
		JPH0230389
		DE3934920
		DE4034745
		DE4123716
		WO9734730
		WO9814302
		WO9932671
		DE19936151
		WO0243918

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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