Expired Canadian patentCanada
Closed loop fuel injection timing control
CA 1215761 A · Owner: Deere & Company · Inventors: Tsai, Edward S.
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 diesel engine control system indirectly controls start-ofcombustion timing by controlling fuel injection timing as a function of an error signal derived from desired and sensed start-of-combustion timing.
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 December 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 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.
FiledJanuary 6, 1984
GrantedDecember 23, 1986
Term endedDecember 23, 2003
Patent numberCA 1215761 A
Classification (IPC)F02D41/14 +2 more
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.