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

Patent Owner(s)

Patent Owner	Address
VOITH TURBO SCHARFENBERG GMBH & CO KG	38239 SALZGITTER-WATENSTEDT

International Classification(s)

• B61G:COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES; ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Mattschull, Volker	Braunschweig, DE	2	29
Radewagen, Christian	Salzgitter, DE	6	47

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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
February 17, 2009	US,7490729,B2   US7490729B2	GRANTED PATENT AS SECOND PUBLICATION
July 07, 2005	US,20050145591,A1   US20050145591A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7490729

Center buffer coupling for railroad cars

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