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

Patent Owner(s)

Patent Owner	Address
PANASONIC CORPORATION	OSAKA
PANASONIC ECOLOGY SYSTEMS GUANGDONG CO LTD	2 SOUTH CHAOGUI ROAD SHUNDE HIGH-TECH INDUSTRIAL ZONE (RONGGUI) FOSHAN GUANGDONG 528306

International Classification(s)

• A62C:FIRE-FIGHTING
• F24F:AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION;....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hou, Guancheng	Guangdong, CN	6	10
Long, Min	Guangdong, CN	17	55

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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	Jul 3, 2028

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
January 03, 2017	US,9533179,B2   US9533179B2	GRANTED PATENT AS SECOND PUBLICATION
May 23, 2013	US,20130130613,A1   US20130130613A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9533179

Fire damper for ventilating fan

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