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ENZYMATIC FUEL CELL

09/376,792 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Aug. 18, 1999
Examiner SUSY N TSANG FOSTER
Class 429
Art Group 1745
Patent No. 6,500,571
Case Type Utility - 429/002000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 60/97,277 Expired
Parent 60/118,837 Expired
Parent 60/126,029 Expired
Parent 60/134,240 Expired
Child 10/226,841 Abandoned
Child 11/71,075 Abandoned
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Last Updated: 3 years, 1 month ago
Date # Transaction