发明名称 Disposable litter box system
摘要 A cat litter box system including a tray which may have inwardly canted edges and a waterproof bottom. Inserted in the tray is at least one orificed filter sheet, and prefereably several, having some type of corner or edge lifting means. Also desirably provided is a filter protector comprising a mat having upward extending protrusions disposed in register with the filter sheet orifices to pass through the latter and protect the filter sheets from damage by the clawing of the cat through litter material which is deposited in the tray over the filter sheets and the filter protector, where the latter is also used. Deodorizing strips, capsules and/or filter protector tips may also be provided.
申请公布号 US4870924(A) 申请公布日期 1989.10.03
申请号 US19880244001 申请日期 1988.09.14
申请人 WOLFE, STEVEN M. 发明人 WOLFE, STEVEN M.
分类号 A01K1/01 主分类号 A01K1/01
代理机构 代理人
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