Pet litter box
Patent 5027748 Issued on July 2, 1991. Estimated Expiration Date: 
December 27, 2008. 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 27, 2008. 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 1139281 3459357 3487814 3528390 3550833 3581977 3684155 3885523 Universal bag support Reinforcing insert for collapsible packages InventorApplicationNo. 290702 filed on 12/27/1988US Classes:119/168, Having foldable or pivotable portion119/498, Collapsible220/9.2, Collapsible or foldable framework383/66For access opening in sidewallExaminersPrimary: Swiatek, Robert P.Assistant: Manahan, Todd E. Attorney, Agent or FirmForeign Patent References
International ClassA01K 067/00AbstractA waste disposal system includes a generally rigid support skeleton defining an interior space configured to receive refuse and a flexible, bag-like member supported by, and enclosing therewithin the support skeleton. The waste disposal system may be advantageously configured to provide a litter box for felines and the like. | |
