Method for processing vegetable, fruit and garden waste
CA 2094792 A1 · Owner: Hamelers, Bertus Victor Marie · Inventors: Hamelers, Bertus Victor Marie; Woelders, Johan Anton
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method for processing vegetable fruit and garden waste, indicated as VFG-waste in which, after a pre-sorting has, taken place the waste (3) is brought into a washing-separating device (4), in which, with the help of water the waste, is separated into a coarse organic fraction (6) which is composted and into a residual fraction (7). The coarse fraction contains particles larger than 2 up to 4 mm. The residual fraction (7) is separated into an inert fraction (11) for recovering sand (13) therefrom and into a fraction, (15) consisting of liquid containing a fine organic fraction (17) and substances dissolved and colloidally divided in the liquid. The fraction (15), obtained from the residual …
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 April 23, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 23, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 23, 2015.
- 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.