Temperature-regulated liquid animal feeder
Patent 5138980 Issued on August 18, 1992. Estimated Expiration Date: 
July 31, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 31, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1497202 1553739 2554086 2612138 3306263 3357406 3691997 Animal watering system Livestock watering system Method and means for circulating fluid to livestock InventorApplicationNo. 738459 filed on 07/31/1991US Classes:119/73, Temperature-controlling119/61.52With heating or cooling meansExaminersPrimary: Weiss, John G.Attorney, Agent or FirmInternational ClassA01K 007/00AbstractAn animal feeder is provided for delivering temperature-regulated liquid feed to one or more animal feed sites. A refrigerated or heated reservoir stores the liquid feed, and one two or three conduits lead from the reservoir to a feed dish which has a bowl portion and a heat exchange portion. A conduit supplies the bowl through a float valve which maintains the liquid in the bowl at a predetermined level. Conduits also circulate liquid through the heat exchange chamber which serves to cool or heat the solid and/or liquid feed in the bowl. | |
