Application
18526552 · METHOD FOR ENSURING SYMMETRIC AUDIO QUALITY FOR HANDS-FREE PHONING
Filed 2023-12-01 · Granted · Patent 12457460 (2025-10-28) The official file ↗The patent and its PDF ↗ · Art unit 2692 · Examiner Walter F Briney III Typical · CPC H04R 25/554 · Sonova AG · McDonald Hopkins LLC
Office actions
2
first was Non-final rejection
RCEs
0
no appeal
To first action
9.9 mo
to disposition 22.9 mo
Statutes raised
103 DP
2 actions read