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

Patent Owner(s)

Patent Owner	Address
GUANGZHOU TUOWAN DIGITAL TECHNOLOGY CO LTD	510000 B625 BUILDING D1 HUANGHE SCIENCE AND TRADE INDUSTRIAL PARK SHIBEI INDUSTRIAL AVENUE HUIJIANG DASHI STREET PANYU DISTRICT GUANGZHOU CITY GUANGDONG PROVINCE GUANGZHOU CITY GUANGDONG PROVINCE 510000

International Classification(s)

• 2304:VENTILATION AND AIR-CONDITIONING EQUIPMENT

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chen, Yanming	Guangzhou, CN	10	17
Wu, Jiangtao	Guangzhou, CN	11	28
Zhuo, Weicheng	Guangzhou, CN	4	10

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Apr 10, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Apr 10, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 10, 2035

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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 No: D1001259

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