TUPOLEV AG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5833172 Arrangement of outlet devicesExpiredNov 15, 96Nov 10, 98[B64D]
5660358 Fuel supply systemExpiredFeb 28, 95Aug 26, 97[F17D, B64D]
5548961 Temperature stratification-free storage of cryogenic liquidsExpiredDec 08, 94Aug 27, 96[F17C]
5548962 Refueling process for cryogenic liquidsExpiredMar 01, 95Aug 27, 96[F17C]
5505053 CryosystemExpiredDec 08, 94Apr 09, 96[F17C]

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