Download Docs
Export

OPTICAL TOUCH SCREEN USING TOTAL INTERNAL REFLECTION

14/16,076 | 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. 31, 2013
Examiner KIRK W HERMANN
Class 345
Art Group 2622
Patent No. 9,411,430
Case Type Utility - 345/175000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 13/764,812 Patented
Parent 61/609,325 Expired
Parent 13/424,592 Patented
Parent 13/424,543 Patented
Parent 61/564,868 Expired
Parent 61/564,164 Expired
Show All
Last Updated: 2 years, 7 months ago
Date # Transaction