Self-cleaning cat liter box
US6401660B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Jun 28, 2001 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Jun 28, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/0114
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A self-cleaning cat litter box for quickly and efficiently removing animal waste and reusing the unused cat litter, which has not been contaminated by the animal waste. The litter box is designed to lift cat defecation and clumped urination above the litter and discharge the waste into a disposable bag without having to touch the waste. The litter box includes at least one or more litter holding pans. The box also includes a litter strainer pan contoured for receipt inside the litter holding pan. The litter strainer pan includes a bottom with a plurality of litter openings for straining the unused litter therethrough and leaving the animal waste on top of the strainer bottom. Further, the box includes a strainer pan top for releasable attachment to the top of sides of the litter strainer pan. The strainer pan top includes a funnel disposed in one side of thereof for receiving the waste from the strainer bottom and discharging the waste into the disposable bag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.