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HIGH-EFFICIENCY ENERGY-CONVERSION BASED ON FLUID EXPANSION AND COMPRESSION

13/221,559 | U.S. Patent Application

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Location ELECTRONIC
Filed Aug. 30, 2011
Examiner MICHAEL S LESLIE
Class 060
Art Group 3745
Patent No. 8,240,140
Case Type Utility - 060/398000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 61/378,108 Expired
Parent 61/421,964 Expired
Parent 61/433,016 Expired
Parent 61/486,550 Expired
Parent 61/513,215 Expired
Parent 12/639,703 Patented
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Last Updated: 5 years, 5 months ago
Date # Transaction