Combine having separating and cleaning apparatus
CA 1162817 A · Owner: Schuler, Murry W. · Inventors: Schuler, Murry W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A combine includes a longitudinally extending auger mounted in a tubular casing and provided with spiral flighting for conveying cut crop material rearwardly between the exterior surface of the auger and the interior surface of the tubular casing. A longitudinally extending threshing rotor is mounted on the rearward end of the auger for rotation therewith. A longitudinally extending concave embraces the rotor and is spaced from the rotor to define a threshing space therebetween. The concave includes a grate at its lower end, and an impeller is positioned below the grate for propelling grain and chaff downwardly from said grate toward the sieves and chaffing device below. The chaffing device …
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 February 28, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 28, 2001.
- 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.