IP Library › Patent Application 62587649
Patent Application Provisional
App. No. 62/587,649 · Confirmation No. 4399

ENHANCED INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM CALL HANDLING DURING BAD SIGNALING CONDITION

Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2017-11-30 APP.FILE.REC Filing Receipt 3 View
2017-11-17 TR.PROV Provisional Cover Sheet (SB16) 4 View
2017-11-17 SPEC Specification 39 View
2017-11-17 WFEE Fee Worksheet (SB06) 2 View
2017-11-17 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.
62/587,649
Filed
2017-11-17