Non-clay cat box filler
CA 1279179 C · Owner: Edward Lowe Industries, Inc. · Inventors: Lowe, Henry Edward; Yoder, Ricky L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract Of The Disclosure A clay-like filler material formed from treated paper sludge or other fibrous slurries and a method of treating the sludge to form the filler which includes the physical properties of clay fillers. The method involves adding materials to the shredded slurry to control color basteria, fungi, absorbency, pests, and fragrance. The slurry is then formed into granules and dried prior to being packaged.
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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2008.
- 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.