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SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING COMPRESSED GAS

12/945,398 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 12, 2010
Examiner THOMAS E LAZO
Class 060
Art Group 3745
Patent No. 7,900,444
Case Type Utility - 060/413000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 12/421,057 Patented
Parent 61/43,630 Expired
Parent 61/148,691 Expired
Child 13/12,323 Patented
Child 13/488,787 Patented
Child 14/48,253 Abandoned
Last Updated: 2 years, 7 months ago
Date # Transaction