The English Electric Company Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4874573 Lid arrangementExpiredMar 22, 88Oct 17, 89[G21F]
4832903 Dry storage arrangements for nuclear fuelExpiredMay 11, 88May 23, 89[G21C]
4790718 ManipulatorsExpiredMar 27, 86Dec 13, 88[B25J]
4664853 Energy dissipatorExpiredJan 21, 86May 12, 87[B01F]
4660375 Power-generation plant and methodExpiredJul 10, 85Apr 28, 87[F02C]
4636707 Power generating equipmentExpiredAug 19, 85Jan 13, 87[H02P]
4613760 Power generating equipmentExpiredSep 12, 84Sep 23, 86[H02K, F16H]
4385492 TurbineExpiredSep 17, 80May 31, 83[F03B]
4348111 Optical particle analyzersExpiredNov 30, 79Sep 07, 82[G01N]
4346362 Electric fuses with regions of reduced cross-sectional areaExpiredSep 29, 80Aug 24, 82[H01H]
4313711 Turbine and like rotary machinesExpiredAug 22, 78Feb 02, 82[F03B]
4223299 Input circuitsExpiredAug 09, 78Sep 16, 80[H04Q]
4218078 Pipe connectionsExpiredJul 10, 78Aug 19, 80[F16L]

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