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Country	kind	publication No.	Filing Date	Type	Sub-Type
TW	A	TW200925328	Oct 28, 2008	Patent	Application
Type : Patent Sub-Type : Application
LAID OPEN APPLICATION FOR PATENT OR PATENT OF ADDITION		Composite collector bar		Jun 16, 2009
WO	A1	WO2009055844	Oct 29, 2008	Patent	Application
Type : Patent Sub-Type : Application
INTERNATIONAL APPLICATION PUBLISHED WITH INTERNATIONAL SEARCH REPORT		COMPOSITE COLLECTOR BAR		May 07, 2009
CL	A1	CL2008003205	Oct 29, 2008	Patent	Application
Type : Patent Sub-Type : Application
PATENT APPLICATION		Celda electrolitica dispuesta en serie para la produccion de aluminio que comprende una cubierta y una composicion refractaria, un catodo, un anodo suspendido dentro de la celda, una barra recolectora, un sistema de barra de derivacion de corriente electrica; y barra recolectora para conexion electrica a sistema de barra de derivacion de celda		Oct 02, 2009
RU	C2	RU2494174	Oct 29, 2008	Patent	Grant
Type : Patent Sub-Type : Grant
PATENT FOR INVENTION ( 2ND PUBL.)		СОСТАВНОЙ ТОКООТВОДЯЩИЙ СТЕРЖЕНЬ		Sep 27, 2013
BR	A2	BRPI0817145	Oct 29, 2008	Patent	Application
Type : Patent Sub-Type : Application
APPLICATION FOR A PATENT OF INVENTION / PIPELINE PATENT PUBLISHED WITHOUT SEARCH REPORT		Célula eletrolítica e barra coletora composta		Mar 31, 2015
CA	A1	CA2704115	Oct 29, 2008	Patent	Application
Type : Patent Sub-Type : Application
APPLICATION LAID OPEN		COMPOSITE COLLECTOR BAR		May 07, 2009
AU	B2	AU2008318268	Oct 29, 2008	Patent	Grant
Type : Patent Sub-Type : Grant
PATENT PROCEEDED BY OPI		Composite collector bar		May 17, 2012
EP	A1	EP2215288	Oct 29, 2008	Patent	Application
Type : Patent Sub-Type : Application
APPLICATION PUBLISHED WITH SEARCH REPORT		COMPOSITE COLLECTOR BAR		Aug 11, 2010
CN	B	CN101874127	Oct 29, 2008	Patent	Grant
Type : Patent Sub-Type : Grant
GRANTED PATENT FOR INVENTION		Composite conducting bar		Apr 17, 2013
PE	A1	PE20091147	Oct 29, 2008	Patent	Application
Type : Patent Sub-Type : Application
PATENT APPLICATION		BARRA COLECTORA DE MATERIAL COMPUESTO		Jul 25, 2009

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
BHP BILLITON INNOVATION PTY LTD ABN 41 008 457 154	180 LONSDALE STREET MELBOURNE VIC 3000

International Classification(s)

• C25C:PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVER....

• 2008 Application Filing Year
• C25C Class
• 47 Applications Filed
• 25 Patents Issued To-Date
• 53.20 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bayer, Ingo	Richards Bay, ZA	7	23
# of filed Patents : 7 Total Citations : 23
Olmstead, Bruce Ringsby	Pretoria, ZA	4	18
# of filed Patents : 4 Total Citations : 18

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Patent Citation Ranking

• 0 Citation Count
• C25C Class

• 0 % this patent is cited more than
• 13 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 25, 2012	US,8273224,B2   US8273224B2	GRANTED PATENT AS SECOND PUBLICATION
October 14, 2010	US,20100258434,A1   US20100258434A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8273224

Composite collector bar

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Abstract

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A collector bar for electrical connection to a busbar system of an electrolytic cell, the collector bar being received within a recess in a cathode block of the cathode of the electrolytic cell; wherein the collector bar comprises a first conductor which electrically connects to the busbar system, the first conductor having an external surface or surfaces which electrically contact the cathode block and at least one second conductor having a lower electrical resistance to the first conductor, the second conductor being positioned on at least one external surface of the first conductor in electrical contact with the first conductor.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2016
• FP2016
• LAPS2016
• REMI2016
• I2012
• P2010
• F2008
• PD2007
• AS2007

Date	Code	Event	Description
Oct 24, 2016	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Sep 25, 2016	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Sep 25, 2016
Sep 25, 2016	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
May 06, 2016	REMI	MAINTENANCE FEE REMINDER MAILED
Sep 25, 2012	I	Issuance
Oct 14, 2010	P	Published
Oct 29, 2008	F	Filing
Oct 29, 2007	PD	Priority Date
Oct 29, 2007	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BAYER, INGO;OLMSTEAD, BRUCE RINGSBY;REEL/FRAME:024484/0627 Owner name: BHP BILLITON INNOVATION PTY LTD ABN 41 008 457 154 Effective Date: Oct 29, 2007