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

Patent Owner(s)

Patent Owner	Address
CHEVRON U S A INC	6001 BOLLINGER CANYON ROAD SAN RAMON CA 94583-0806

International Classification(s)

• H01Q:AERIALS

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dieckmann, Gunther Hans	Walnut Creek, US	5	89
Dunlavey, James Thomas	Bakersfield, US	3	39
Okoniewski, Michal Mieczyslaw	Calgary, CA	3	23
Pasalic, Damir	Calgary, CA	13	103

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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	Nov 16, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 16, 2028

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 16, 2017	US,9653812,B2   US9653812B2	GRANTED PATENT AS SECOND PUBLICATION
September 18, 2014	US,20140266951,A1   US20140266951A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9653812

Subsurface antenna for radio frequency heating

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