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AUDIO SIGNAL REPRODUCING APPARATUS WITH SEMICONDUCTOR MEMORY STORING CODED DIGITAL AUDIO DATA AND INCLUDING A HEADPHONE UNIT

08/887,417 | U.S. Patent Application

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Location ELECTRONIC
Filed July 2, 1997
Examiner RICHEMOND DORVIL
Class 704
Art Group 2741
Patent No. 5,930,758
Case Type Utility - 704/500000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 08/747,910 Patented
Parent 07/600,818 Patented
Child 90/7,908 -
Child P278209-89
Last Updated: 4 years, 8 months ago
Date # Transaction