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TECHNIQUE FOR DETECTING THE STATUS OF WDM OPTICAL SIGNALS

09/578,721 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed May 26, 2000
Examiner JOHN D LEE
Class 385
Art Group 2874
Patent No. 6,480,648
Case Type Utility - 385/024000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/257,045 Patented
Parent 09/323,094 Patented
Parent 09/342,142 Patented
Parent 09/382,492 Patented
Parent 09/382,624 Patented
Parent 09/363,041 Patented
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Last Updated: 5 years, 7 months ago
Date # Transaction