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SYSTEM FOR TEXT ASSISTED TELEPHONY

15/10,199 | U.S. Patent Application

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Filed Jan. 29, 2016
Examiner WOO, STELLA L
Class 379
Art Group 2656
Patent No. 9,967,380
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child 16/540,854 Abandoned
Child 15/204,142 Abandoned
Last Updated: 4 months, 2 weeks ago
Date # Transaction