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

Patent Owner(s)

Patent Owner	Address
CLEVELAND-CLIFFS STEEL PROPERTIES INC	9227 CENTRE POINTE DRIVE WEST CHESTER OH 45069

International Classification(s)

• C21D:MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS....
• C22C:ALLOYS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Craycraft, Shannon K	Middletown, US	1	0
Douthett, Joseph A	Monroe, US	7	75

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	May 14, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 14, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
November 14, 2017	US,9816163,B2   US9816163B2	GRANTED PATENT AS SECOND PUBLICATION
November 07, 2013	US,20130294960,A1   US20130294960A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9816163

Cost-effective ferritic stainless steel

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