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

Patent Owner(s)

Patent Owner	Address
GUANGXI UNIVERSITY	NO 100 UNIVERSITY XIANGTANG DISTRICT NANNING CITY GUANGXI ZHUANG AUTONOMOUS REGION 530000 NANNING CITY THE GUANGXI ZHUANG AUTONOMOUS REGION 530000

International Classification(s)

• C10M:LUBRICATING COMPOSITIONS
• C21D:MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
CHEN, Jie	Nanning, CN	1059	5911
CHEN, Yong	Nanning, CN	467	3808
LI, Guangxin	Nanning, CN	2	0
LIN, Xiaoze	Nanning, CN	1	0
LUO, Li	Nanning, CN	36	154
TAN, Yanjun	Nanning, CN	9	1
YOU, Hui	Nanning, CN	9	3

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Dec 20, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 20, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 20, 2035

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent Application No: 2024/0200,159

METHOD FOR COMPOUND STRENGTHENING TREATMENT OF GEAR SURFACE

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