W. F. Altenpohl, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4754822 Repetitive weighing system for moving conveyor loadsExpiredOct 22, 87Jul 05, 88[G01G]
4498578 Easy-drop sizing carrier for poultryExpiredFeb 05, 82Feb 12, 85[B65G]
4439892 Severed poultry neck selection systemExpiredFeb 23, 82Apr 03, 84[A22C]
4377929 Pre-entry positioning poultry bagging systemExpiredJul 11, 80Mar 29, 83[B65B]
4317258 Side suspension conveyor system for poultryExpiredJun 12, 80Mar 02, 82[A22C, A22B]
4270336 Distributed plural station bagging system for poultryExpiredFeb 08, 79Jun 02, 81[B65B]
4245453 Two-stage operated nozzle for tight bagging systemExpiredJan 24, 79Jan 20, 81[B65B]
4228635 Poultry bagging systemExpiredJan 10, 79Oct 21, 80[B65B]
4221106 Tight bagging system for poultryExpiredOct 31, 78Sep 09, 80[B65B]
4187945 Plural path weight sorting systemExpiredJun 29, 78Feb 12, 80[B07C]

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