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

Patent Owner(s)

Patent Owner	Address
APPAREO SYSTEMS LLC	1810 NDSU RESEARCH CIRCLE NORTH FARGO ND 58102-5705

International Classification(s)

• G01M:TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR S....
• G07C:TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDIC....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Batcheller, Barry D	West Fargo, US	38	1764
# of filed Patents : 38 Total Citations : 1764
Wiig, Johan A	Paris, FR	9	496
# of filed Patents : 9 Total Citations : 496

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Patent Citation Ranking

• 6 Citation Count
• G01M Class

• 21.64 % this patent is cited more than
• 8 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Apr 24, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 24, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
October 24, 2017	US,9797801,B2   US9797801B2	GRANTED PATENT AS SECOND PUBLICATION
August 15, 2013	US,20130211737,A1   US20130211737A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8927226

Compositions and methods for in vitro diagnostic tests including sulfonic acid

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Abstract

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The invention provides compositions, kits, and methods for performing colorimetric analysis. A substrate is reacted to generate a chromogenic reaction product, and a reaction stop reagent that is a sulfonic acid is added to stop and stabilize the reaction product. The absorbance properties of the chromogenic reaction product can be maintained over significantly longer periods of time of that of conventional reagents and methods. The sulfonic acid can be used in assays such as ELISAs in order to provide a more accurate and safer detection of analytes in a biological sample.

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Description

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Claims

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Legal Events

 

• MAFP2023
• MAFP2019
• I2015
• STCF2015
• AS2015
• P2014
• F2014

Date	Code	Event	Description
Apr 13, 2023	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Apr 12, 2019	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Oct 13, 2015	I	Issuance
Sep 23, 2015	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Sep 09, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HASHEMI, DARUSH DAVID;LE, HAI;PARVIN, JACK;AND OTHERS;SIGNING DATES FROM 20150901 TO 20150909;REEL/FRAME:036525/0369 Owner name: ACCURIDE INTERNATIONAL INC., CALIFORNIA
Sep 18, 2014	P	Published
Mar 13, 2014	F	Filing