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OPTICAL TOUCH SCREEN SYSTEMS USING TOTAL INTERNAL REFLECTION

13/764,812 | U.S. Patent Application

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Location ELECTRONIC
Filed Feb. 12, 2013
Examiner DUC Q DINH
Class 345
Art Group 2692
Patent No. 8,553,014
Case Type Utility - 345/176000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 61/609,325 Expired
Parent 13/424,592 Patented
Parent 61/564,868 Expired
Parent 13/424,543 Patented
Parent 61/564,164 Expired
Parent PCT/US11/29191 Published
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Last Updated: 1 year, 5 months ago
Date # Transaction