Machinefabriek G.J. Nijhuis B.V.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4716625 Process and device for stunning slaughter animals, in particular for stunning and subsequently sticking slaughter animalsExpiredJan 16, 86Jan 05, 88[A22B]
4578841 Apparatus for automatically stunning animals to be slaughteredExpiredMar 26, 84Apr 01, 86[A22B]
4571777 Apparatus for automatically stunning animals to be slaughteredExpiredMay 08, 80Feb 25, 86[A22B]
4570297 Scraper block for an unhairing machineExpiredNov 30, 84Feb 18, 86[A22B]
4567625 Scalding machine for treating the carcass of a slaughtered animalExpiredNov 30, 84Feb 04, 86[A22B]
4524487 Apparatus for the automatic stunning of slaughter cattleExpiredJun 11, 82Jun 25, 85[A22B]
4512058 Apparatus for unhairing slaughtered livestockExpiredJan 15, 82Apr 23, 85[A22B]
4468837 Apparatus for automatically stunning animals to be slaughteredExpiredSep 04, 81Sep 04, 84[A22B]
4457048 Apparatus for a slaughterhouse, more specially for the removal of the toe-web of pigsExpiredOct 19, 81Jul 03, 84[A22B]
4452178 Drive corridor for slaughter cattleExpiredAug 11, 82Jun 05, 84[A01K]
4420855 Set of electrodes for an apparatus for electrically stunning slaughter cattleExpiredJul 21, 81Dec 20, 83[A22B]
4406036 Apparatus for conveying animals to be stunnedExpiredMay 28, 82Sep 27, 83[A22B]
4361932 Apparatus for electrically stunning slaughter cattleExpiredAug 18, 81Dec 07, 82[A22B]
4353147 Apparatus for stunning animals to be slaughtered, such as pigsExpiredJun 20, 80Oct 12, 82[A22B]
4338700 Apparatus for electrically stunning animals to be slaughteredExpiredMay 08, 80Jul 13, 82[A22B]
4319383 Apparatus for electrically stunning animals to be slaughteredExpiredMay 08, 80Mar 16, 82[A22B]

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