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

Patent Owner(s)

Patent Owner	Address
NEOGEN CORPORATION	620 LESHER PLACE LANSING MICHIGAN 48912 UNITED STATES OF AMERICA

International Classification(s)

• C12Q:MEASURING OR TESTING PROCESSES INVOLVING ENZYMES O....

• 2003 Application Filing Year
• C12Q Class
• 2607 Applications Filed
• 642 Patents Issued To-Date
• 24.63 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Clark, David	Sandy Hook, CT	167	2441
# of filed Patents : 167 Total Citations : 2441
Crockett, Michael I	Newtown, CT	7	257
# of filed Patents : 7 Total Citations : 257
DiCesare, Joseph L	Redding, CT	21	347
# of filed Patents : 21 Total Citations : 347
McCaffrey, John T	Cheshire, CT	10	370
# of filed Patents : 10 Total Citations : 370

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Patent Citation Ranking

• 29 Citation Count
• C12Q Class

• 73.91 % this patent is cited more than
• 20 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
April 19, 2005	US,6881554,B2   US6881554B2	GRANTED PATENT AS SECOND PUBLICATION
October 02, 2003	US,20030186458,A1   US20030186458A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6881554

Apparatus and methods for chemiluminescent assays

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Abstract

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Disclosed is a device and methods for the rapid chemiluminescence assay of surfaces to detect the presence of microbial contamination. The device and methods are suitable for use by untrained personnel under the relatively harsh and variable conditions found in the field, for example in fast food restaurants and other food preparation areas. The chemiluminescence reaction that is the source of the analytical signal in the disclosed assay device and method is preferably based on a luciferase/luciferin system.

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Description

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Claims

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Legal Events

 

• STCH2017
• FP2017
• LAPS2017
• REMI2016
• FPAY2012
• FPAY2008
• CC2005
• I2005
• P2003
• F2003
• PD2000

Date	Code	Event	Description
May 15, 2017	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Apr 19, 2017	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Apr 19, 2017
Apr 19, 2017	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Nov 25, 2016	REMI	MAINTENANCE FEE REMINDER MAILED
Sep 05, 2012	FPAY	FEE PAYMENT	year of fee payment: 8
Aug 08, 2008	FPAY	FEE PAYMENT	year of fee payment: 4
Aug 16, 2005	CC	CERTIFICATE OF CORRECTION
Apr 19, 2005	I	Issuance
Oct 02, 2003	P	Published
Jan 17, 2003	F	Filing
Mar 31, 2000	PD	Priority Date