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

Patent Owner(s)

Patent Owner	Address
SILVERSTREAM TECHNOLOGIES B V	DOCTOR WILLEM DREESWEG 2 SUITE 94A AMSTELVEEN 1185 VB

International Classification(s)

• 1206:SHIPS AND BOATS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Clausen, Joergen	Broendby, DK	2	7
Johannesson, Johannes	Espergaerde, DK	11	32
Silberschmidt, Noah	London, GB	10	15

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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	Feb 28, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 28, 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

Full Text

US Patent No: D795783

Air cavity for hull surface of vessel

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