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

Patent Owner(s)

Patent Owner	Address
UNIVERSITY CORPORATION FOR ATMOSPHERIC RESEARCH A CO CORP	P O BOX 3000 BOULDER CO 80307-3000

International Classification(s)

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

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Zimmerman, Patrick R	Boulder, CO	10	302
# of filed Patents : 10 Total Citations : 302

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Patent Citation Ranking

• 7 Citation Count
• G01N Class

• 4.18 % this patent is cited more than
• 30 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: 5410918

Ambient air sampler

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Abstract

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An ambient air sampler is pivotally mounted to a tether of a balloon-borne sampling device. The air sampler includes an inlet for receiving atmospheric gas samples and a pump for moving samples to one of a number of sample bags. A remotely-controlled valve is used to selectively determine which of the sample bags receives the sample. A pivotal mounting of the air sampler with respect to the tether includes an axle which is stationarily positioned on the tether and bearings which rotatably connect to the axle mounted to a mounting plate onto which the air sampler is secured.

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Description

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Claims

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Legal Events

 

• STCH2003
• FP2003
• LAPS2003
• REMI2002
• FPAY1998
• FEPP1997
• I1995
• F1992
• PD1992
• AS1992

Date	Code	Event	Description
Jun 04, 2003	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
May 02, 2003	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: May 02, 2003
May 02, 2003	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Nov 20, 2002	REMI	MAINTENANCE FEE REMINDER MAILED
Oct 30, 1998	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 09, 1997	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY
May 02, 1995	I	Issuance
Aug 13, 1992	F	Filing
Aug 13, 1992	PD	Priority Date
Aug 10, 1992	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ZIMMERMAN, PATRICK R.;REEL/FRAME:006226/0480 Owner name: UNIVERSITY CORPORATION FOR ATMOSPHERIC RESEARCH Effective Date: Aug 10, 1992