N. Schlumberger & Cie

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5575141 Process for breaking yarn for the automatic removal of bobbins from banks of spindles and presser finger for practicing this processExpiredJul 13, 95Nov 19, 96[B65H, D01H]
5546634 Cylinder distance adjusting device for carding machineExpiredMay 19, 94Aug 20, 96[D01G]
5459989 Presser finger having a tapered slot for banks of spindlesExpiredSep 18, 92Oct 24, 95[D01H]
5455990 Device for cleaning Morel cylinders on a cardExpiredMay 19, 94Oct 10, 95[D01G]
5307540 Wool cardExpiredJun 08, 92May 03, 94[D01B]
5303452 Wool cardExpiredJun 08, 92Apr 19, 94[D01B]
5292082 Device for driving the bobbin of a bank of spindles for long and short fibersExpiredMar 16, 93Mar 08, 94[B65H]
5197272 Apparatus for the automatic removal of bobbins from a bank of spindles for long fibers and short fibers and process for using this apparatusExpiredJul 30, 91Mar 30, 93[D01H]
5170616 Safety device for a bank of spindles provided with an automatic removal deviceExpiredNov 13, 91Dec 15, 92[D01H]
5157809 Charger for feeding a carding machine with a layer of textile fibers as regularly as possibleExpiredNov 13, 90Oct 27, 92[D01E]
5016431 Thread deflectors, particularly for a hollow spindle machineExpiredJul 07, 89May 21, 91[D02G]
4951454 Device for stopping the supply to a spinning frame drawing system in case of absence of yarn at the outletExpiredJul 11, 89Aug 28, 90[D01H]
4667368 Backbone inner guiding device for splitting butchery animalsExpiredNov 26, 85May 26, 87[A22B]
4525002 Device for applying a binding on a flexible tubular packing, and improved binding thereforExpiredMar 09, 82Jun 25, 85[B65H, A01D]
4507822 Automatic machine for splitting butchery animals, notably pigsExpiredNov 14, 83Apr 02, 85[A22B]
4451952 Suspension device for a power-driven handtoolExpiredJun 11, 82Jun 05, 84[A22B]
4350624 Method for recovering meat proteins remaining attached to the bones after the boning operationExpiredJan 09, 80Sep 21, 82[A23J]
4280248 Compressed-air pistol of the humane killer typeExpiredDec 13, 78Jul 28, 81[A22B]
4193170 Drawing device for sliverExpiredMar 06, 78Mar 18, 80[D01G]

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