IP Library › Patent Application 10111831
Patent Application Utility PCT National Stage Small
App. No. 10/111,831 · Confirmation No. 7771

APPARATUS FOR MEASURING AN OXYGEN CONCENTRATION GRADIENT AND METHOD OF USE THEREOF

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2007-05-16 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2005-01-25 COCOUT Certificate of Correction - Post Issue Communication 1 View
2004-01-20 IFEE Issue Fee Payment (PTO-85B) 2 View
2002-09-27 LET. Miscellaneous Incoming Letter 34 View
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Quick Facts
App. No.
10/111,831
Filed
2002-09-27
Effective Filing
2002-04-29
Granted
2004-03-02
Art Unit
3736
PTA
-61 days