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

Patent Owner(s)

Patent Owner	Address
GROUP14 TECHNOLOGIES INC	WOODINVILLE WA 98072

International Classification(s)

• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
• C23F:NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM S....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Afkhami, Farshid	Lake Stevens, US	15	341
Costantino, Henry R	Woodinville, US	165	4403
Feaver, Aaron M	Seattle, US	83	3049
Fredrick, Sarah	Denver, US	16	472
Geramita, Katharine	Seattle, US	54	3084
Goodwin, Chad	Seattle, US	19	613
Kron, Benjamin E	Seattle, US	41	1159
Sakshaug, Avery J	Snohomish, US	53	989
Strong, Adam	Lake Forest Park, US	17	425
Thompkins, Leah A	Seattle, US	51	1590
Timmons, Christopher	Monroe, US	21	220

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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 17, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Apr 17, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 17, 2036

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: 2024/0347,714

NANO-FEATURED POROUS SILICON MATERIALS

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