Waste material recycling method and apparatus
CA 2247022 A1 · Owner: Kruse, Robert A. · Inventors: Kruse, Robert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A waste material separating method and apparatus a number of sequential processes the separate paper, plastic, glass wood, and metals from waste , materials. Bulk materials are manually removed from conveyors. Screening machines separate, fine from course materials. Fine organic materials are transported to a composting area, or to a digester to generate gas used fuel to produce thermal energy. A shredder cuts, the course materials which mixed and pressed into pellets.
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 September 14, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 14, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 14, 2020.
- 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.