Expired Canadian patentCanada
Hybrid hitch control system
CA 1203310 A · Owner: Deere & Company · Inventors: Wiegardt, Gordon K.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the disclosure A conventional draft/position responsive hitch control system is modified to respond to an electrical control signal derived from sensed engine droop and wheel slip.
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 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 17, 1984
GrantedApril 15, 1986
Term endedApril 15, 2003
Patent numberCA 1203310 A
Classification (IPC)A01B63/11
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.