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

Patent Owner(s)

Patent Owner	Address
NUCTECH COMPANY LIMITED	100084 BEIJING CITY HAIDIAN DISTRICT SHUANGQING ROAD WITH PARTY BUILDING A BLOCK 2 LAYER MUNICIPAL DISTRICT BEIJING CITY 100084

International Classification(s)

• G21F:PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, C....
• G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....
• F16P:SAFETY DEVICES IN GENERAL
• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Feng, Huacheng	Beijing, CN	7	13
Wang, Hongqiu	Beijing, CN	34	57
Yang, Lin	Beijing, CN	1008	9000
Yi, Yumin	Beijing, CN	25	116
Zhang, Jianhong	Beijing, CN	28	57
Zhang, Li	Beijing, CN	2775	40019
Zhang, Shixin	Beijing, CN	18	14

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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	Dec 12, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 12, 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
June 12, 2018	US,9997266,B2   US9997266B2	GRANTED PATENT AS SECOND PUBLICATION
June 29, 2017	US,20170186506,A1   US20170186506A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9997266

Protective device and laser raman safety inspection apparatus comprising the same

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