Cat litter box
US6371048B1 · kind B1 · utility
21Cited by
10References
7Claims
0Family size
Inventor
Key dates
| Filing date | Jul 19, 2000 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Jul 19, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/0114
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cat litter box has a tray having a bottom from which sides upwardly extend to an upper lip and a lid for the tray which has a top from which sides downwardly extend to a lower lip configured to be supported upon the tray upper lip. The lid sides are formed with an opening through which cats may come and go. A ramp having a rough litter-dislodging surface is mounted in the tray extending upwardly from adjacent the tray bottom to adjacent the lid side wall opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.