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SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING GAS EXPANSION AND COMPRESSION

13/871,758 | U.S. Patent Application

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Location ELECTRONIC
Filed April 26, 2013
Examiner LAERT DOUNIS
Class 060
Art Group 3748
Case Type Utility - 060/508000
Status Abandoned -- Failure to Respond to an Office Action
Parent 13/154,996 Patented
Parent 12/639,703 Patented
Parent 12/421,057 Patented
Parent 61/148,691 Expired
Parent 61/43,630 Expired
Parent 12/481,235 Patented
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Last Updated: 4 months, 1 week ago
Date # Transaction