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

Patent Owner(s)

Patent Owner	Address
VINCI CONSTRUCTION	5 COURS FERDINAND DE LESSEPS RUEIL-MALMASION 92500

International Classification(s)

• E04F:FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Alexander, Fabrice	Nanterre, FR	1	0
Arrondeau, Yoan	Nanterre, FR	1	0
Costa, Christophe	Nanterre, FR	1	0
Couque, Pierre	Nanterre, FR	1	0
Da, Costa Philippe	Nanterre, FR	1	0
Demontfaucon, Laurent	Nanterre, FR	1	0
Deniau, Romuald	Nanterre, FR	1	0
Font, Emmanuelle	Nanterre, FR	1	0
Ghedin, Olivier	Nanterre, FR	1	0
Lenormand, Virginie	Nanterre, FR	1	0
Lim, Serge	Nanterre, FR	1	0
Tempez, Thierry	Nanterre, FR	1	0
Tual, Emmanuel	Nanterre, FR	1	0

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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	Jul 30, 2027
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 30, 2031

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

Full Text

US Patent Application No: 2020/0032,520

STAIRCASE PRODUCED BY 3D PRINTING OF A CEMENTITIOUS MATERIAL

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