IP Library Granted Patent US 6,633,768
Granted Patent Utility
US 6,633,768 · Confirmation No. 4747

RESTRICTION OF COMMUNICATION DURATION IN A TELECOMMUNICATIONS NETWORK

⬇ PDF
Code Description Pages PDF
2003-08-18 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-06-12 TRNA Transmittal of New Application 2 View
2001-06-12 A.PE Preliminary Amendment 6 View
2001-06-12 SPEC Specification 6 View
2001-06-12 CLM Claims 2 View
2001-06-12 ABST Abstract 1 View
2001-06-12 DRW Drawings-only black and white line drawings 3 View
2001-06-12 OATH Oath or Declaration filed 4 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 6,633,768
App. No.
09/879,566
Filed
2001-06-12
Granted
2003-10-14
Pub. No.
US20020019227A1
Art Unit
2682
PTA
-17 days