IP Library › Patent Application 62574187
Patent Application Provisional
App. No. 62/574,187 · Confirmation No. 5055

ECHO CANCELLATION AND SUPPRESSION IN PORTABLE DEVICE

Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2017-10-27 APP.FILE.REC Filing Receipt 3 View
2017-10-18 SPEC Specification 23 View
2017-10-18 CLM Claims 6 View
2017-10-18 ABST Abstract 1 View
2017-10-18 DRW Drawings-only black and white line drawings 12 View
2017-10-18 ADS Application Data Sheet 9 View
2017-10-18 TR.PROV Provisional Cover Sheet (SB16) 3 View
2017-10-18 WFEE Fee Worksheet (SB06) 2 View
2017-10-18 N417 Electronic Filing System Acknowledgment Receipt 3 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.
62/574,187
Filed
2017-10-18