IP Library › Patent Application 09838912
Patent Application Utility
App. No. 09/838,912 · Confirmation No. 2207

OPTICAL RECEIVER ZERO CALIBRATION SYSTEM AND METHOD

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2014-11-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-11-11 PA.. Power of Attorney 2 View
2014-11-11 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2014-11-11 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-09-17 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-06-28 DRW Drawings-only black and white line drawings 4 View
2001-04-20 TRNA Transmittal of New Application 1 View
2001-04-20 SPEC Specification 8 View
2001-04-20 CLM Claims 4 View
2001-04-20 ABST Abstract 1 View
2001-04-20 DRW Drawings-only black and white line drawings 3 View
2001-04-20 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.
09/838,912
Filed
2001-04-20
Granted
2003-04-15
Pub. No.
US20020153475A1
Art Unit
2878
PTA
-5 days