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

Patent Owner(s)

Patent Owner	Address
FCI HOLDINGS DELAWARE INC	258 KAPPA DRIVE PITTSBURGH PA 15238

International Classification(s)

• E21D:SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAM....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Arnot, Jeremy Ross	Mt Hunter, AU	8	26
Craig, Peter Harold	Cooyal, AU	13	103
Gaudry, Timothy Joseph	Picton, AU	6	32
Hinton, Harold Gregory	Sarina, AU	4	24

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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
October 11, 2011	US,8033760,B2   US8033760B2	GRANTED PATENT AS SECOND PUBLICATION
December 24, 2009	US,20090317197,A1   US20090317197A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8033760

Tension assembly

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