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

Patent Owner(s)

Patent Owner	Address
SOLVENTUM INTELLECTUAL PROPERTIES COMPANY	2510 CONWAY AVE E 3M CENTER 275-6E-21 MAPLEWOOD MN 55144

International Classification(s)

• G10K:SOUND-PRODUCING DEVICES
• A61B:DIAGNOSIS; SURGERY; IDENTIFICATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Johnson, Mary Jo	Lake Elmo, US	5	28
Keller, Joseph P	Wahpeton, US	6	13
Sitz, Dean E	Wahpeton, US	22	100

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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	Aug 26, 2026
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 26, 2030

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
February 26, 2019	US,10213181,B2   US10213181B2	GRANTED PATENT AS SECOND PUBLICATION
January 11, 2018	US,20180008227,A1   US20180008227A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2018/0008,227

STETHOSCOPE DIAPHRAGM

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