IP Library Granted Patent US 6,434,452
Granted Patent Utility
US 6,434,452 · Confirmation No. 7156

TRACK DATABASE INTEGRITY MONITOR FOR ENHANCED RAILROAD SAFETY DISTRIBUTED POWER

Inventor: Robert Gray
⬇ PDF
Code Description Pages PDF
2002-01-10 TRNA Transmittal of New Application 6 View
2002-01-10 ABST Abstract 1 View
2002-01-10 DRW Drawings-only black and white line drawings 4 View
2002-01-10 OATH Oath or Declaration filed 2 View
2001-10-31 TRNA Transmittal of New Application 3 View
2001-10-31 SPEC Specification 15 View
2001-10-31 CLM Claims 7 View
2001-10-31 DRW Drawings-only black and white line drawings 6 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 6,434,452
App. No.
09/999,461
Filed
2001-10-31
Granted
2002-08-13
Pub. No.
US20020072833A1
Art Unit
3661
PTA
0 days