Cleaning attachment for grain augers
CA 1101356 A · Owner: Ludwig, Louis · Inventors: Ludwig, Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
19-, "CLEANING ATTACHMENT FOR GRAIN AUGERS" ABSTRACT OF THE DISCLOSURE, A series of semi-circular cut-out portions are provided on the underside of an auger tube which are covered with blanks when the cleaning device is not in use but which, are covered with semi-circular sieves when it is desired to clean grain or the like being augered. The mesh of the screens is selected to suit the cleaning desired. A shroud encloses the sieves and an auxiliary auger is situated at the base of the shroud and is driven by the main auger drive. This auxiliary or return auger moves wheat seeds and the like which have passed through the sieve, to a discharge at the lower end of the shroud regardless of the …
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 May 19, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 1998.
- 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.