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

Patent Owner(s)

Patent Owner	Address
H4 ENGINEERING INC	2540 BOARDWALK ST SAN ANTONIO TX 78217

International Classification(s)

• 1605:ACCESSORIES

• 2014 Application Filing Year
• 1605 Class
• 140 Applications Filed
• 140 Patents Issued To-Date
• 100 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Boyle, Christopher T	San Antonio, US	93	12675
# of filed Patents : 93 Total Citations : 12675
Sammons, Alexander G	San Antonio, US	41	871
# of filed Patents : 41 Total Citations : 871
Taylor, Scott K	San Antonio, US	25	560
# of filed Patents : 25 Total Citations : 560

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Patent Citation Ranking

• 13 Citation Count
• 1605 Class

• 0 % this patent is cited more than
• 9 Age

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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	Sep 1, 2027

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

Full Text

US Patent No: D997681

Stop mechanism for a folding knife

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Abstract

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Description

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Legal Events

 

• PD2023
• I2023
• FEPP2021
• F2021
• FEPP2021

Date	Code	Event	Description
Sep 14, 2023	PD	Priority Date
Sep 05, 2023	I	Issuance
May 26, 2021	FEPP	FEE PAYMENT PROCEDURE	free format text: ENTITY STATUS SET TO SMALL (ORIGINAL EVENT CODE: SMAL); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY
May 24, 2021	F	Filing
May 24, 2021	FEPP	FEE PAYMENT PROCEDURE	free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY