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MEDIA SYSTEM AND METHOD OF PROGRESSIVE INSTRUCTION IN THE PLAYING OF A GUITAR BASED ON USER PROFICIENCY

13/553,310 | U.S. Patent Application

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Location ELECTRONIC
Filed July 19, 2012
Examiner JEFFREY DONELS
Class 084
Art Group 2837
Patent No. 8,586,849
Case Type Utility - 084/609000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 13/351,345 Patented
Parent 12/902,577 Patented
Parent 61/360,002 Expired
Child 14/82,497 Abandoned
Last Updated: 2 months, 3 weeks ago
Date # Transaction