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

Patent Owner(s)

Patent Owner	Address
SURFACE COMBUSTION INC	1700 INDIAN WOOD CIRCLE P O BOX 428 MAUMEE OH 43537

International Classification(s)

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

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Barbee, Garry W	Rossford, US	6	85
Bernard, William J	Perrysburg, US	1	16
Gottschalk, John W	Perrysburg, US	1	16
Poor, Ralph P	Toledo, US	7	73

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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
October 23, 2012	US,8293167,B2   US8293167B2	GRANTED PATENT AS SECOND PUBLICATION
December 11, 2008	US,20080302281,A1   US20080302281A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8293167

Surface treatment of metallic articles in an atmospheric furnace

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