IP Library › Patent Application 61721116
Patent Application Provisional
App. No. 61/721,116 · Confirmation No. 3809

RAILWAY CODE GENERATION AND SIGNALING SYSTEM AND METHOD

Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2012-11-23 APP.FILE.REC Filing Receipt 3 View
2012-11-01 SPEC Specification 7 View
2012-11-01 CLM Claims 2 View
2012-11-01 ABST Abstract 1 View
2012-11-01 DRW Drawings-only black and white line drawings 3 View
2012-11-01 TR.PROV Provisional Cover Sheet (SB16) 3 View
2012-11-01 WFEE Fee Worksheet (SB06) 2 View
2012-11-01 N417 Electronic Filing System Acknowledgment Receipt 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.
61/721,116
Filed
2012-11-01