Rotary rock windrower
CA 1094820 A · Owner: Viel, Floyd W. · Inventors: Viel, Floyd W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Inventor: Floyd W. Viel ABSTRACT OF THE DISCLOSURE, An improved rock windrower which includes a frame assembly, a reel adapted to be rotated within the frame assembly and having a plurality of windrowing teeth extending therefrom. The frame and reel are adapted be angularly disposed relative to the draft direction of a towing vehicle. The improved windrower features disposition of the implement teeth in a direction substantially parallel to the draft direction of the towing vehicle upon impact of the teeth with the ground. Such an angle results in a full opening between adjacent teeth which in turn permits cleaner rock windrowing and further provides additional strength. Another feature of …
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 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 3, 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.