Pull-type agricultural machine
CA 1085173 A · Owner: Sperry Rand Limited · Inventors: Knight, Andrew C.; Meek, Nigel W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to pull-type harvesting machines such as mower-conditioners and comprises a main frame fitted with groundengaging wheels, a header adjustably mounted on and forwardly of the main frame and comprising drum type mower units lifting means operable to move, the main frame relative to the ground and the header relative to the main frame and an arched drawbar pivotally attached to the main frame and pivotable over the header from a machine operative position to a machine transport position and vice versa. - 1 -
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 September 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 1997.
- 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.