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

Patent Owner(s)

Patent Owner	Address
REFRACTORY INTELLECTUAL PROPERTY GMBH & CO KG	1100 WIEN

International Classification(s)

• B22D:CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Haslinger, Hans-Jürgen	Trieben, AT	2	0
Kaufmann, Helmut	Gaishorn am See, AT	11	427
Nitzl, Gerald	Baden, AT	14	21
Stranimaier, Arno	Trieben, AT	3	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	Apr 30, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 30, 2029

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 31, 2017	US,9802249,B2   US9802249B2	GRANTED PATENT AS SECOND PUBLICATION
August 21, 2014	US,20140232047,A1   US20140232047A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9802249

Ceramic refractory stopper

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