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

Patent Owner(s)

Patent Owner	Address
BELMONT INSTRUMENT CORPORATION	780 BOSTON ROAD BILLERICA MA 01821

International Classification(s)

• A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Cassidy, David	Chelmsford, MA	20	1079
Hart, Russell	North Attleboro, MA	12	475
Landy, John	Billerica, MA	8	1538
Stamp, Andrea	Gloucester, MA	3	219

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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
November 12, 2002	US,6480257,B2   US6480257B2	GRANTED PATENT AS SECOND PUBLICATION
August 09, 2001	US,20010011585,A1   US20010011585A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6480257

Heat exchanger useable in wearable fluid heater

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