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SCR ON LOW THERMAL MASS FILTER SUBSTRATES

12/36,019 | U.S. Patent Application

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Location ELECTRONIC
Filed Feb. 22, 2008
Examiner THANH P DUONG
Class 422
Art Group 1774
Patent No. 7,998,423
Case Type Utility - 422/180000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 60/891,835 Expired
Child 13/182,581 Patented
Last Updated: 4 years, 2 months ago
Date # Transaction