HER MAJESTY IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF FISHERIES AND OCEANS

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4933916 Phase measurements using pseudo-random codeExpiredNov 01, 85Jun 12, 90[G01S]
4903373 Scallop eviscerating machineExpiredJun 17, 88Feb 27, 90[A22C]
4872146 Method and apparatus for simulating phase coherent signal reflections in media containing randomly distributed targetsExpiredMay 23, 88Oct 03, 89[H01S]
4846004 Streamlined oceanographic sampling bottleExpiredJul 21, 88Jul 11, 89[G01N]
4800541 Method for underwater acoustic direction sensingExpiredFeb 12, 87Jan 24, 89[G01S]
4760743 Acoustic scintillation liquid flow measurementExpiredApr 14, 87Aug 02, 88[G01P, G01F]
4702676 Liquid driven pump or propulsive apparatusExpiredOct 11, 85Oct 27, 87[F04F]
4637719 Optical measurement of marine conditionsExpiredAug 14, 84Jan 20, 87[G06M, G01N]
4611551 Snorkel mast for a semi-submersible vehicleExpiredDec 14, 84Sep 16, 86[B63G]
4414654 Thinned array transducer for sonarExpiredAug 27, 82Nov 08, 83[G01S]
4380808 Thinned array transducer for sonarExpiredFeb 06, 81Apr 19, 83[H04R]
4361933 Method of shucking scallops and an apparatus thereforExpiredMay 11, 81Dec 07, 82[A22C]
4275352 Sea water conductivity cellExpiredMar 05, 79Jun 23, 81[G01N]

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