Self cleaning pet litter box
US5931119A · kind A · utility
50Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1996 |
| Grant date | Aug 3, 1999 |
| Priority date | — |
| Expiry date | May 3, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/0114
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A self cleaning pet litter box for receiving animal waste including an upwardly open pan containing cat litter being mounted for rotation on a support frame, a collection container for receiving animal waste removed from the pan, a raking mechanism for gathering and removing animal waste from the rotating cat litter pan into the collection container. A supply chamber replenishes litter to the pan. The litter box includes an electronic control system including an electro-optical intrusion detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.