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

Patent Owner(s)

Patent Owner	Address
NAG ISHIKA	OVIEDO FL

International Classification(s)

• A01P:BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT....
• A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
• A41D:OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
• A62B:DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
• A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
• B01D:SEPARATION
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Nag, Ishika	Oviedo, US	2	0

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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	Sep 23, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Sep 23, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 23, 2034

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 Application No: 2023/0089,270

DUAL APPLICATION NANOPARTICLE COATED FILTRATION SYSTEM FOR AIR POLLUTION AND VIRUS ABATEMENT

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