IP Library Patent Application 10320087
Patent Application Utility
App. No. 10/320,087 · Confirmation No. 1373

CALL-WAITING TONE DETECTION TECHNIQUE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
⬇ PDF
Code Description Pages PDF
2004-01-09 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-11-12 A.NA Amendment after Notice of Allowance (Rule 312) 3 View
2003-11-12 CLM Claims 4 View
2003-11-12 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2002-12-16 TRNA Transmittal of New Application 3 View
2002-12-16 ADS Application Data Sheet 2 View
2002-12-16 A.PE Preliminary Amendment 6 View
2002-12-16 SPEC Specification 19 View
2002-12-16 CLM Claims 8 View
2002-12-16 ABST Abstract 1 View
2002-12-16 DRW Drawings-only black and white line drawings 4 View
2002-12-16 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.
10/320,087
Filed
2002-12-16
Granted
2004-03-09
Art Unit
2643
PTA
-85 days