Heated pet watering dish apparatus
Patent 5156113 Issued on October 20, 1992. Estimated Expiration Date: 
December 16, 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.
December 16, 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 2528742 2674227 2973743 3205861 Solar-heated stock tank Solar ice melter for use at low ambient temperatures Patent #: 4162684 InventorApplicationNo. 808471 filed on 12/16/1991US Classes:119/73, Temperature-controlling119/61.52With heating or cooling meansExaminersPrimary: Weiss, John G.Attorney, Agent or FirmForeign Patent References
International ClassA01K 007/00AbstractA container enclosure includes a top wall, with an opening directed therethrough receiving a bucket member therewithin for containing fluid for the use of pets. Prevention of freezing of water during depressed temperatures is effected by the enclosure utilizing thickly insulated walls, as well as a floor and top wall about the bucket member, with an illumination bulb directed into the enclosure within the enclosure chamber to maintain the water in an unfrozen state. | |
