IP Library Patent Application 09850708
Patent Application Utility
App. No. 09/850,708 · Confirmation No. 2077

SYSTEM AND METHOD FOR PREVENTING FRAUDULENT CALLS USING A COMMON BILLING NUMBER

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
⬇ PDF
Code Description Pages PDF
2004-05-04 IFEE Issue Fee Payment (PTO-85B) 2 View
2004-05-04 LET. Miscellaneous Incoming Letter 1 View
2004-05-04 DRW Drawings-only black and white line drawings 5 View
2001-05-08 TRNA Transmittal of New Application 3 View
2001-05-08 SPEC Specification 14 View
2001-05-08 CLM Claims 6 View
2001-05-08 ABST Abstract 1 View
2001-05-08 DRW Drawings-only black and white line drawings 5 View
2001-05-08 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.
09/850,708
Filed
2001-05-08
Granted
2004-10-05
Art Unit
2643
PTA
-170 days