Beacon Power Corporation Case # 11-13450 (KJC) Now sold a second time as an extremely valuable asset. http://beaconpower.com/news/
http://beaconpower.com/wp-content/uploads/2018/05/Convergent-Energy-Power-Acquires-40-MW-of-Flywheel-Projects-%E2%80%93-Convergent-Energy-Power.pdf
File a notice of appeal in the bankruptcy court and pay the filing fee. That will perfect your appeal to the United States District Court in Maryland.