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

Patent Owner(s)

Patent Owner	Address
SMART REAMER DRILLING SYSTEMS LTD	SLOUGH INDUSTRIAL ESTATE BERKSHIRE SL1 4DX

International Classification(s)

• A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
• E21B:EARTH OR ROCK DRILLING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Rasheed, Wajid	Slough, GB	12	308

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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 14, 2028

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
March 14, 2017	US,9593538,B2   US9593538B2	GRANTED PATENT AS SECOND PUBLICATION
October 23, 2014	US,20140311802,A1   US20140311802A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9593538

Circumferential and longitudinal cutter coverage in continuation of a first bit diameter to a second expandable reamer diameter

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