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

Patent Owner(s)

Patent Owner	Address
ALSTOM	25 AVENUE KLEBER F-75116 PARIS

International Classification(s)

• C22F:CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS MET....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ernst, Peter	Stadel, CH	39	256
Speidel, Hannes	Turgi, CH	6	10
Speidel, Markus	Birmenstorf, CH	8	77
Uggowitzer, Peter	Ottenbach, CH	33	379

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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 09, 2003	US,6616779,B2   US6616779B2	GRANTED PATENT AS SECOND PUBLICATION
October 03, 2002	US,20020141897,A1   US20020141897A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6616779

Workpiece made from a chromium alloy

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