IP Library Granted Patent US 6,665,474
Granted Patent Utility
US 6,665,474 · Confirmation No. 8484

METHOD OF IMPROVING SELECTIVITY IN A TUNABLE WAVEGUIDE FILTER

⬇ PDF
Code Description Pages PDF
2003-10-20 IFEE Issue Fee Payment (PTO-85B) 3 View
2002-02-22 TRNA Transmittal of New Application 1 View
2002-02-22 SPEC Specification 6 View
2002-02-22 CLM Claims 2 View
2002-02-22 ABST Abstract 1 View
2002-02-22 DRW Drawings-only black and white line drawings 3 View
2002-02-22 OATH Oath or Declaration filed 3 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
Patent No.
US 6,665,474
App. No.
10/080,491
Filed
2002-02-22
Granted
2003-12-16
Pub. No.
US20020113670A1
Art Unit
2874
PTA
-5 days