Method for removal of liquid-wastes and odor combined in cat litter application
CA 2450429 A1 · Owner: Khadem, Fereidoun (Fedor) · Inventors: Khadem, Fereidoun (Fedor)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pet / Cat litters are produced from different materials and are removed from the litter box, from time to time and replaced with new litter. The odor is a major problem and the, liquid-waste must be removed immediately to avoid spreading the odors. Therefore some, of these materials are scented. In many cases the mixture of unwanted odors and the, deodorant used is unpleasant. For easy removal of the liquid wastes the litter material, must clump. The pet/cat owner should watch the pets/cats to be able to remove the, clumped materials immediately avoiding evaporation of the liquids and spreading the, odors. The new invention is based on mixtures of: a) zeolites for capturing and …
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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
- Filed November 24, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 24, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 24, 2025.
- 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.