Pet toilet
CA 1198638 A · Owner: Hallum, Lyall F. · Inventors: Hallum, Lyall F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is a dry flushing toilet wherein an animal excretes onto a measured portion of absorbant granular material (litter) dispensed onto a circular tray from an adjacent hopper. The filling of the tray with litter is accomplished by rotating it under the outlet of the hopper. Contaminated litter is disposed of through a hole in the centre of the tray into a lower storage container when a simple shutter is opened.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted December 31, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.