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App. No. 10/150,299 · Confirmation No. 1489

INLET SILENCER/FILTER FOR AN OXYGEN CONCENTRATOR

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2012-02-01 LET. Miscellaneous Incoming Letter 1 View
2012-02-01 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-11-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-11-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-11-03 PA.. Power of Attorney 2 View
2011-11-03 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-11-07 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-29 A.NA Amendment after Notice of Allowance (Rule 312) 2 View
2002-05-17 TRNA Transmittal of New Application 2 View
2002-05-17 SPEC Specification 14 View
2002-05-17 CLM Claims 5 View
2002-05-17 ABST Abstract 1 View
2002-05-17 DRW Drawings-only black and white line drawings 7 View
2002-05-17 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
10/150,299
Filed
2002-05-17
Granted
2004-03-09
Pub. No.
US20030213368A1
Art Unit
1724
PTA
-101 days