IP Library Patent Application 10251553
Patent Application Utility Small
App. No. 10/251,553 · Confirmation No. 4298

DOOR OPENER ASSIST DEVICE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
Code Description Pages PDF
2014-01-06 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2010-10-06 C.AD Change of Address 2 View
2010-10-06 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-10-14 C.AD Change of Address 1 View
2008-10-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2005-01-27 COCOUT Certificate of Correction - Post Issue Communication 1 View
2004-05-21 PETDEC Petition Decision 1 View
2004-02-05 IFEE Issue Fee Payment (PTO-85B) 4 View
2004-02-05 OATH Oath or Declaration filed 3 View
2004-02-05 LET. Miscellaneous Incoming Letter 3 View
2004-02-05 PET. Petition Entered 3 View
2002-09-19 TRNA Transmittal of New Application 2 View
2002-09-19 SPEC Specification 15 View
2002-09-19 CLM Claims 7 View
2002-09-19 ABST Abstract 1 View
2002-09-19 DRW Drawings-only black and white line drawings 4 View
2002-09-19 OATH Oath or Declaration filed 2 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
App. No.
10/251,553
Filed
2002-09-19
Granted
2004-03-30
Pub. No.
US20040055221A1
Art Unit
3634
PTA
0 days