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

Patent Owner(s)

Patent Owner	Address
TECTONA LTD	8050 ZURICH

International Classification(s)

• E21D:SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAM....
• E21F:SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VEN....
• B65G:TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR L....
• E02D:FOUNDATIONS; EXCAVATIONS; EMBANKMENTS
• E21B:EARTH OR ROCK DRILLING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ram, Yossef	Ramat Ha'Sharon, IL	1	1

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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	Dec 7, 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 07, 2016	US,9359137,B2   US9359137B2	GRANTED PATENT AS SECOND PUBLICATION
August 13, 2015	US,20150225173,A1   US20150225173A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2015/0225,173

TUNNELED GAS STORAGE

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