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

Patent Owner(s)

Patent Owner	Address
SANKYO DIAMOND INDUSTRIAL CO LTD	1770 HONGO EBINA-SHI KANAGAWA 243-0417
NAKAYA CO LTD	1313-92 OAZA YANAGISAWA SANJO-SHI NIIGATA 955-0024

International Classification(s)

• B24B:MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR PO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Eto, Naoya	Niigata, JP	9	38
Takahashi, Yoshimi	Kanagawa, JP	41	423

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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	Jul 7, 2025

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
January 07, 2014	US,8622788,B2   US8622788B2	GRANTED PATENT AS SECOND PUBLICATION
November 10, 2011	US,20110275293,A1   US20110275293A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8622788

Dust collecting cover

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