Application
18680327 · CALL CLASSIFICATION THROUGH ANALYSIS OF DTMF EVENTS
Filed 2024-05-31 · Granted · Patent 12621382 (2026-05-05) The official file ↗The patent and its PDF ↗ · Art unit 2691 · Examiner Quoc Duc Tran Typical · CPC H04M 1/56 · Pindrop Security, Inc. · FOLEY & LARDNER LLP
Office actions
1
first was Non-final rejection
RCEs
0
no appeal
To first action
15.7 mo
to disposition 23.1 mo
Statutes raised
DP
1 actions read