Machine for preparing hothouse soil mixtures
CA 1287620 C · Owner: Doronin, Vladimir P. · Inventors: Lipov, Jury N.; Doronin, Vladimir P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A machine for preparing hothouse soil mixtures comprises a metering hopper, a mixing chamber and a discharge, conveyer mounted on a common frame. The mixing chamber is disposed under the metering hopper so that its rotor extends along the longitudinal axis of a movable bottom of the hopper. Arranged directly under the end blades of the rotor is an outlet port of the mixing chamber.
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 August 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 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.