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

Patent Owner(s)

Patent Owner	Address
SONABANK	550 BROADVIEW AVENUE WARRENTON VA 20186

International Classification(s)

• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Guirguis, Raouf A	Rockville, MD	51	1600
# of filed Patents : 51 Total Citations : 1600

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Patent Citation Ranking

• 13 Citation Count
• G01N Class

• 54.34 % this patent is cited more than
• 23 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

Full Text

US Patent No: 6352863

Assay device

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Abstract

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An assay device and method are provided which allow the determination of the presence or absence of at least one analyte in a test sample, while providing specific identification of the test subject. The assay device includes a reaction medium having at least one reaction zone and at least one control zone, which is capable of providing a pattern suitable for identifying the test subject. The pattern suitable for identifying the test subject is preferably a fingerprint. In a preferred embodiment of the invention, the reaction zone and the control zone include at least one member of a ligand/receptor pair.

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Description

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Claims

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Legal Events

 

• AS2015
• STCH2010
• FP2010
• LAPS2010
• AS2010
• REMI2009
• FPAY2005
• I2002
• AS2001
• F1997
• PD1990

Date	Code	Event	Description
Jul 14, 2015	AS	ASSIGNMENT	free format text: LIEN;ASSIGNORS:GUIRGUIS, RAOUF A.;BIOTECHPHARMA, LLC (AND AS SUCCESSOR IN INTEREST TO BIOTECHPHARMA CORP., LA MINA, LTD,, AND LA MINA, INC.);CONVERTING BIOPHILE LABORATORIES, INC.;REEL/FRAME:036701/0101 Owner name: LUDWIG & ROBINSON PLLC, DISTRICT OF COLUMBIA Effective Date: Jul 14, 2015
Apr 05, 2010	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Mar 05, 2010	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Mar 05, 2010
Mar 05, 2010	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Jan 25, 2010	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BIOTECHPHARMA CORP.;REEL/FRAME:023839/0421 Owner name: SONABANK, VIRGINIA Effective Date: Jan 25, 2010
Oct 12, 2009	REMI	MAINTENANCE FEE REMINDER MAILED
Sep 06, 2005	FPAY	FEE PAYMENT	year of fee payment: 4
Mar 05, 2002	I	Issuance
Dec 05, 2001	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GUIRGUIS DR., RAOUF A.;REEL/FRAME:012380/0482 Owner name: LA MINA, INC., VIRGINIA Effective Date: Dec 05, 2001
Jan 27, 1997	F	Filing
Jan 19, 1990	PD	Priority Date