IP Library Granted Patent US 6,691,702
Granted Patent Utility
US 6,691,702 · Confirmation No. 7389

PORTABLE OXYGEN CONCENTRATION SYSTEM AND METHOD OF USING THE SAME

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2010-12-13 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 2 View
2010-02-24 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2010-02-11 C.AD Change of Address 1 View
2010-02-11 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-12-22 LET. Miscellaneous Incoming Letter 3 View
2003-12-22 DRW Drawings-only black and white line drawings 17 View
2003-12-22 IFEE Issue Fee Payment (PTO-85B) 2 View
2002-04-29 TRNA Transmittal of New Application 5 View
2002-04-29 SPEC Specification 51 View
2002-04-29 CLM Claims 6 View
2002-04-29 ABST Abstract 1 View
2002-04-29 DRW Drawings-only black and white line drawings 23 View
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Quick Facts
Patent No.
US 6,691,702
App. No.
10/134,868
Filed
2002-04-29
Granted
2004-02-17
Pub. No.
US20030005928A1
Art Unit
3761
PTA
-58 days