Hitch
CA 1283322 C · Owner: Deere & Company · Inventors: Reilly, Roger David; Teal, Richard Donald; Hoffman, Robert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
HITCH, Abstract of the Disclosure, A tractor has a typical three-point hitch with lower lift arms and an upper stabilizing arm comprising in part, of a, transverse horizontal rod extending between the lift arms. A pair of connecting structures are mounted on the implement and spaced on the order of the lift arms but being transversely offset therefrom. Each of the connecting structures includes a vertical plate having a U-shaped edge opening vertically for receiving the transverse bar. A link is mounted on the fore-andaft plate and extends from one position in which it traverses the opening of the U so as to retain the bar in the nip area of the U-shaped edge and a position in which it …
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 April 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 2008.
- 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.