Cat litter box apparatus and method
Patent 5058528 Issued on October 22, 1991. Estimated Expiration Date: 
December 13, 2009. 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 13, 2009. 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.InventorsApplicationNo. 450239 filed on 12/13/1989US Classes:119/165, Walled receptacle; e.g., litter box, etc., containing moisture absorbent material4/476, Enclosed receptacle typeD30/161WASTE COLLECTOR (E.G., LITTER BOX, ETC.)ExaminersPrimary: Mancene, GeneAssistant: Price, Thomas Attorney, Agent or FirmForeign Patent References
International ClassA01K 029/00AbstractThe present invention discloses a cat litter box apparatus and method. The apparatus includes component parts that combine to resemble a human toilet facility. The component parts include a tank member for storing and dispensing cat litter material, a bowl-like base member detachably connected to the tank member, a drawer member that is removably enclosed within the bowl-like base member for receiving fresh cat litter material from the tank member and for being used by a cat for going to the toilet.Other References
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