IP Library Patent Application 10428646
Patent Application Utility
App. No. 10/428,646 · Confirmation No. 9688

OPTICAL SIGNAL INTERLEAVING COMB FILTER WITH REDUCED CHROMATIC DISPERSION AND APPLICATIONS THEREFOR

Inventor: An Andrew Zeng
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
⬇ PDF
Code Description Pages PDF
2004-10-21 IFEE Issue Fee Payment (PTO-85B) 3 View
2004-07-16 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-07-16 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2004-07-16 892 List of references cited by examiner 1 View
2004-07-16 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-07-16 FWCLM Index of Claims 1 View
2004-07-16 SRFW Search information including classification, databases and other search related notes 1 View
2004-07-09 SRNT Examiner's search strategy and results 2 View
2003-05-01 TRNA Transmittal of New Application 3 View
2003-05-01 A.PE Preliminary Amendment 7 View
2003-05-01 SPEC Specification 15 View
2003-05-01 CLM Claims 13 View
2003-05-01 ABST Abstract 1 View
2003-05-01 DRW Drawings-only black and white line drawings 7 View
2003-05-01 OATH Oath or Declaration filed 5 View
2003-05-01 WFEE Fee Worksheet (SB06) 1 View
2003-05-01 WFEE Fee Worksheet (SB06) 1 View
2003-05-01 WCLM Claims Worksheet (PTO-2022) 1 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.
10/428,646
Filed
2003-05-01
Granted
2004-12-28
Art Unit
2874
PTA
-5 days