Bark dust unloading system
CA 2294689 A1 · Owner: Jones, Dudley W. · Inventors: Jones, Dudley W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bark dust unloading system has a movable wall for moving material in a container to an opening at the rear of the container. An auger assembly in combination with rotating rake assemblies move the material from the sides of the container to the opening. A blower assembly provides an air stream to transport the material deposited in the opening through a hose. The hose is used to distribute the material. An automatic control controls the operation of the unloading system including the movement of the wall, the blower system, the augers and rake assemblies. A remote control allows the operator to alter the operations while directing placement of the bark dust. This provides for operation by …
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 January 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 11, 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.