Download Docs
Export

OPTICAL TOUCH SCREEN SYSTEMS USING REFLECTED LIGHT

12/760,567 | 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 April 15, 2010
Examiner INSA SADIO
Class 345
Art Group 2628
Patent No. 9,213,443
Case Type Utility - 345/175000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 61/169,779 Expired
Parent 61/171,464 Expired
Parent 12/371,609 Patented
Parent 61/317,255 Expired
Child PCT/US11/29191 Published
Child 13/745,819 Patented
Show All
Last Updated: 4 years, 3 months ago
Date # Transaction