Application

15425533 · METHOD OF ACTIVATING A SUPPLEMENTAL VISUAL WARNING SIGNAL BASED ON FREQUENCY EMITTED FROM A GENERATOR OF A PRIMARY AUDIBLE WARNING SIGNAL

Filed 2017-02-06 · Granted · Patent 9741217 (2017-08-22) The official file ↗The patent and its PDF ↗ · Art unit 2682 · Examiner Naomi J Small Typical · CPC A63B 71/0619 · International Business Machines Corporation · INACTIVE INTERNATIONAL BUSINESS MACHINES CORP

Office actions

first was Notice of allowance

RCEs

no appeal

To first action

2.1 mo

to disposition 6.5 mo

Statutes raised

0 actions read

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