Application

17857618 · CALL CLASSIFICATION THROUGH ANALYSIS OF DTMF EVENTS

Filed 2022-07-05 · Granted · Patent 12015731 (2024-06-18) 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

first was Non-final rejection

RCEs

no appeal

To first action

14.8 mo

to disposition 23.5 mo

Statutes raised

103 DP

1 actions read

Unlock the prosecution timelineIncluded in Pro, from $29 a month. Cancel any time.