Simon-Johnson, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4827570 Method and apparatus for removing breast meat from poultry carcassExpiredJan 25, 88May 09, 89[A22C]
4788831 Method and apparatus for loading poultry carcasses into drag type positive control chillerExpiredSep 08, 87Dec 06, 88[F25D]
4669148 Machine for cutting up poultry into a number of piecesExpiredJan 23, 85Jun 02, 87[A22C]
4564977 Poultry vent removal machineExpiredSep 15, 83Jan 21, 86[A22C]
4561148 Machine for pulling viscera package from fowlsExpiredOct 05, 84Dec 31, 85[A22C]
4293978 Poultry head pulling apparatusExpiredOct 01, 79Oct 13, 81[A22C]
4262387 Method and apparatus for eviscerating poultryExpiredSep 10, 79Apr 21, 81[A22C]
4249285 Poultry killing method and machineExpiredMay 31, 79Feb 10, 81[A22C]
4217678 Poultry picking machineExpiredNov 06, 78Aug 19, 80[A22C]

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