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

Patent Owner(s)

Patent Owner	Address
MODERN CONTROLS INC	7500 BOONE AVENUE NORTH MINNEAPOLIS MN 55418

International Classification(s)

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

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Loebig, Craig	Elk River, MN	1	13
# of filed Patents : 1 Total Citations : 13

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Patent Citation Ranking

• 13 Citation Count
• G01N Class

• 55.96 % this patent is cited more than
• 32 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: 5265463

Apparatus for measuring the transmission rate of volatile organic chemicals through a barrier material

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Abstract

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A system for measuring the transmission rate of volatile organic chemicals through a barrier material, where a barrier material sample is clamped in a test cell so as to form a chamber on both sides of the material, with a temperature-controlled test gas conveyed into one chamber and a temperature-controlled carrier gas conveyed through the other chamber. The carrier gas is passed through a cryotrap where the organic chemicals are collected, and the carrier gas with collected chemicals is then burned in a flame ionization detector to measure the quantity of organic chemicals.

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Description

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Claims

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Legal Events

 

• STCH2005
• FEPP2005
• FP2005
• LAPS2005
• REMI2005
• FPAY2001
• FPAY1997
• I1993
• F1992
• PD1992
• AS1992

Date	Code	Event	Description
Dec 28, 2005	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Dec 07, 2005	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY
Nov 30, 2005	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Nov 30, 2005
Nov 30, 2005	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Jun 15, 2005	REMI	MAINTENANCE FEE REMINDER MAILED
Mar 28, 2001	FPAY	FEE PAYMENT	year of fee payment: 8
Apr 10, 1997	FPAY	FEE PAYMENT	year of fee payment: 4
Nov 30, 1993	I	Issuance
Jul 24, 1992	F	Filing
Jul 24, 1992	PD	Priority Date
Jul 13, 1992	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:LOEBIG, CRAIG;REEL/FRAME:006255/0886 Owner name: MODERN CONTROLS, INC., MINNESOTA Effective Date: Jul 13, 1992