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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 COMPANY	P O BOX 33427 ST PAUL MN 55133-3427

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• B24D:TOOLS FOR GRINDING, BUFFING, OR SHARPENING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Eckel, Joseph B	Vadnais Heights, US	77	283
Hawkins, Ann M	Lake Elmo, US	21	45
Li, Junting	Shanghai, CN	30	38
Lukowski, Mark A	St. Paul, US	16	55
Miller, Adam D	Vadnais Heights, US	18	53
Nelson, Thomas J	Woodbury, US	124	2102

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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	Aug 1, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Aug 1, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 1, 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: 2024/0033,880

GRINDING AID PARTICLES FOR ABRASIVE ARTICLES

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