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

Patent Owner(s)

Patent Owner	Address
NICHIBOU CO LTD	TOKYO 141-0022

International Classification(s)

• A62C:FIRE-FIGHTING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Iwasaki, Masaya	Otake, JP	11	61
Kouga, Yuichi	Tokyo, JP	2	4
Taniguchi, Kenji	Tokyo, JP	24	399

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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	Nov 8, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 8, 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
May 08, 2018	US,9962568,B2   US9962568B2	GRANTED PATENT AS SECOND PUBLICATION
March 17, 2016	US,20160074686,A1   US20160074686A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9962568

Fire detection tube used for automatic fire extinguishing device and the automatic fire extinguishing device

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