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

Patent Owner(s)

Patent Owner	Address
FIVES LANDIS LIMITED	KEIGHLEY BD20 7SD

International Classification(s)

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

• 2002 Application Filing Year
• B24B Class
• 785 Applications Filed
• 305 Patents Issued To-Date
• 38.86 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Stocker, Mark Andrew	Horthampton, GB	20	114
# of filed Patents : 20 Total Citations : 114

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Patent Citation Ranking

• 4 Citation Count
• B24B Class

• 3.96 % this patent is cited more than
• 21 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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 25, 2004	US,6739954,B2   US6739954B2	GRANTED PATENT AS SECOND PUBLICATION
January 02, 2003	US,20030003853,A1   US20030003853A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6739954

Grinding pin for grinding machines comprising resin bonded selections of rough grit and fine grit

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Abstract

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A grinding pin (53) for grinding notches in the edges of disc workpieces, such as semi-conductor wafers, comprises a metal spindle (132) for mounting in a grinding machine, and an adjoining cylindrical region having axially spaced sections of fine grit (160) and rough grit (162), the latter being axially nearer the spindle (132). In use on a grinding machine having a rotatable forming wheel, similar profiled notch-grinding grooves (140) and (142) are formed by the wheel in the grinding sections (162) and (160) respectively.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2016
• FP2016
• LAPS2016
• REMI2015
• AS2014
• FPAY2011
• FEPP2010
• AS2008
• REMI2007
• FPAY2007
• AS2005
• AS2005
• I2004
• P2003
• F2002
• AS2002
• PD2000

Date	Code	Event	Description
Jun 20, 2016	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
May 25, 2016	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: May 25, 2016
May 25, 2016	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Dec 31, 2015	REMI	MAINTENANCE FEE REMINDER MAILED
Jun 27, 2014	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:CINETIC LANDIS LIMITED;REEL/FRAME:033942/0288 Owner name: FIVES LANDIS LIMITED, UNITED KINGDOM Effective Date: Jun 27, 2014
Nov 18, 2011	FPAY	FEE PAYMENT	year of fee payment: 8
Dec 07, 2010	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Feb 08, 2008	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:CINETIC LANDIS GRINDING LIMITED;REEL/FRAME:021291/0375 Owner name: CINETIC LANDIS LIMITED, UNITED KINGDOM Effective Date: Feb 08, 2008
Dec 03, 2007	REMI	MAINTENANCE FEE REMINDER MAILED
Nov 26, 2007	FPAY	FEE PAYMENT	year of fee payment: 4
Oct 27, 2005	AS	ASSIGNMENT	free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE RECEIVING PARTY'S ADDRESS DATA PREVIOUSLY RECORDED ON REEL 017059 FRAME 0736;ASSIGNOR:UNOVA UK LIMITED;REEL/FRAME:017196/0868 Owner name: CINETIC LANDIS GRINDING LIMITED, UNITED KINGDOM Effective Date: Oct 27, 2005
Oct 27, 2005	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:UNOVA UK LIMITED;REEL/FRAME:017059/0736 Owner name: CINETIC LANDIS GRINDING LIMITED, PENNSYLVANIA Effective Date: Oct 27, 2005
May 25, 2004	I	Issuance
Jan 02, 2003	P	Published
Aug 01, 2002	F	Filing
Jun 26, 2002	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:STOCKER, MARK ANDREW;REEL/FRAME:013284/0589 Owner name: UNOVA UK LTD, UNITED KINGDOM Effective Date: Jun 26, 2002
Feb 02, 2000	PD	Priority Date