Download Docs
Export

PERSONAL DIGITAL STEREO PLAYER

12/855,510 | U.S. Patent Application

Interested in this case?

Request a Demo Track this case, and find millions of cases like it, let us show you how.
Location ELECTRONIC
Filed Aug. 12, 2010
Examiner QUAN ZHEN WANG
Class 369
Art Group 2685
Patent No. 7,933,171
Case Type Utility - 369/030050
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 11/557,317 Patented
Parent 10/610,178 Patented
Parent 09/641,069 Patented
Parent 09/111,989 Patented
Parent 60/51,999 Expired
Child 13/93,600 Patented
Last Updated: 7 months, 1 week ago
Date # Transaction