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Expired Canadian patentCanada

Speed-sensitive shift control

CA 1231257 A · Owner: Eaton Corporation · Inventors: Jones, Michael E.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Disclosed is a shift control (60) for operating an automatic engine transmission from a remote location preferably by means of a flexible cable (12) that is adapted to prevent an operator from shifting from and through a netural position (N) while the engine speed is above a predetermined value. Shift control (60) has a control arm (2) that when moved in opposite directions in a plane along a frame (3) to various gear positions is operable to rotate a plate (26) having an arcuate extension (28) having an opening (32) therethrough through which a pin (34) is able to extend and prevent movement of arm (2) when the engine speed is above the predetermined value and which in a retracted …

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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 January 12, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 12, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 19, 1986
GrantedJanuary 12, 1988
Term endedJanuary 12, 2005
Patent numberCA 1231257 A
Classification (IPC)F16H61/18 +2 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedMarch 19, 1986Patent grantedJan 12, 1988Term endedJan 12, 2005

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.