IP Library › Granted Patent US 6,744,871
Granted Patent Utility
US 6,744,871 · Confirmation No. 4821

METHOD FOR ROUTING SERVICE CALLS IN A TELECOMMUNICATION NETWORK, AS WELL AS A TELECOMMUNICATION NETWORK, SWITCHING CENTRE AND PROGRAM MODULE THEREFOR

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2004-04-27 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-05-11 TRNA Transmittal of New Application 1 View
2001-05-11 SPEC Specification 11 View
2001-05-11 CLM Claims 2 View
2001-05-11 ABST Abstract 1 View
2001-05-11 DRW Drawings-only black and white line drawings 1 View
2001-05-11 LET. Miscellaneous Incoming Letter 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
Patent No.
US 6,744,871
App. No.
09/852,703
Filed
2001-05-11
Granted
2004-06-01
Pub. No.
US20010046286A1
Art Unit
2642
PTA
0 days