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HEAT EXCHANGE WITH COMPRESSED GAS IN ENERGY-STORAGE SYSTEMS

13/94,960 | U.S. Patent Application

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Location ELECTRONIC
Filed April 27, 2011
Examiner HOANG M NGUYEN
Class 060
Art Group 3746
Patent No. 8,250,863
Case Type Utility - 060/682000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 61/328,408 Expired
Parent 12/690,513 Patented
Parent 61/145,860 Expired
Parent 61/145,864 Expired
Parent 61/146,432 Expired
Parent 61/148,481 Expired
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Last Updated: 5 years ago
Date # Transaction