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

Patent Owner(s)

Patent Owner	Address
3M INNOVATIVE PROPERTIES CO	MINN MINNESOTA

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• A61Q:USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Cao, Chuntao	Woodbury, US	22	513
Guggenberger, Rainer A	Herrsching, DE	10	7
Haeberlein, Ingo R	Weilheim, DE	16	114
Hajime, Evan Koon Lun Yuuji	Woodbury, US	20	38
Kohler, Riedi Petra L	Minneapolis, US	22	45
Oxman, Joel D	Minneapolis, US	168	4548
Swanson, Steven P	Blaine, US	35	94

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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	Jan 23, 2028
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 23, 2032

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

Full Text

US Patent Application No: 2020/0230,038

METHODS AND KITS FOR REMOVING CALCULUS

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