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

Patent Owner(s)

Patent Owner	Address
ALFORD IP LIMITED	ALFORD HOUSE EPSOM SQUARE WHITE HORSE BUSINESS PARK TROWBRIDGE WILTSHIRE BA14 0XG

International Classification(s)

• F42B:EXPLOSIVE CHARGES, e.g. FOR BLASTING; FIREWORKS; A....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
ALFORD, Roland	Yarnbrook, Wiltshire, GB	3	17
ALFORD, Sidney	Corsham, GB	4	31

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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 13, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Apr 13, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 13, 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: 2022/0325,991

IMPROVEMENTS IN OR RELATING TO EXPLOSIVE CHARGES

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