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

Patent Owner(s)

Patent Owner	Address
GUNDERSON INC	4350 NW FRONT STREET PORTLAND OR 97210

International Classification(s)

• B61D:BODY DETAILS OR KINDS OF RAILWAY VEHICLES
• B60P:VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Heitmeyer, Kris	West Linn, US	3	60
Militaru, Dan	Tigard, US	3	59

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 3, 2027

Fee	Large entity fee	small entity fee	micro entity fee
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
November 03, 2015	US,9174656,B2   US9174656B2	GRANTED PATENT AS SECOND PUBLICATION
March 29, 2007	US,20070068418,A1   US20070068418A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9174656

Insulative railway boxcar

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