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

Patent Owner(s)

Patent Owner	Address
CRONITE CZ S R O	61700 BRNO

International Classification(s)

• F23H:GRATES
• F23L:AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUS....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Schmid, Wolfgang	Seeshaupt, DE	173	1936

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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	Dec 21, 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
June 21, 2016	US,9371996,B2   US9371996B2	GRANTED PATENT AS SECOND PUBLICATION
July 04, 2013	US,20130167762,A1   US20130167762A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9371996

Grate bar for a furnace comprising air ducts

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