Process and apparatus for utilizing animal excrement
CA 2371981 A1 · Owner: Supersoil Systems Ltd. · Inventors: Fichman, Matitiahu; Shuster, Kim; Rozental, Yakov
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the manufacture of a product useful as an artificial soil soil , conditioner or peat substitute, effected by subjecting an aqueous mixture containing a substantially solid feed excrement from animals and water to treatment with an alternating electric current at a frequency of a predetermined magnitude and for a predetermined period of time such that an , odorless solid product capable of absorbing several times its own weight of water is recoverable by water removal.
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
- Filed May 1, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 1, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 1, 2022.
- 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.