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Expired Canadian patentCanada

Control and method for controlling amt system including manually operated engine compression brake

CA 1304474 C · Owner: Eaton Corporation · Inventors: Wheeler, Robert S.

CIPO record

Overview

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

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Abstract From the Canadian patent

A method and control for controlling an AMT system (10) having an operator actuated engine compression brake (17) is provided including sensing vehicle deceleration and monitoring throttle position (THL), vehicle brake actuation (BRK) and engine compression brake (ECB) actuation to select one of three (50, 52, 54) mutually exclusive vehicle deceleration downshift shift profiles.

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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 June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 27, 1987
GrantedJune 30, 1992
Term endedJune 30, 2009
Patent numberCA 1304474 C
Classification (IPC)F16H59/68 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedNov 27, 1987Patent grantedJune 30, 1992Term endedJune 30, 2009

Sources & verification

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