Grain cleaner
CA 1324988 C · Owner: Somerville, Dean S. · Inventors: Stokkeland, Curtis T.; Somerville, Dean S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention comprises a grain cleaning apparatus having a frame with a plurality of augers mounted beside one another in parallel relation. Screens surround the augers except at the ends of the augers to allow grain to enter and leave at the ends of the augers. A box like frame encloses the rearward ends of the augers with an open top to allow grain to be be cleaned to be dumped into the open rear ends of the augers. A motor is provided with drive means to rotate the augers simultaneously whereby the augers will auger the grain from the box along the augers within the screens to the forward end of the frame a chute is provided, at the forward end for the grain to leave the frame after …
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 December 7, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 7, 2010.
- 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.