Download Docs
Export

SYSTEM FOR CONTROLLING THE DISTRIBUTION AND USE OF DIGITAL WORKS USING DIGITAL TICKETS

10/853,115 | 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 May 26, 2004
Examiner ANDREW J FISCHER
Class 705
Art Group 3621
Patent No. 7,269,577
Case Type Utility - 705/059000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/777,845 Patented
Parent 08/967,084 Patented
Parent 08/344,760 Abandoned
Last Updated: 4 years, 9 months ago
Date # Transaction