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Expired Canadian patentCanada

Travel speed change apparatus for a farm vehicle

CA 1103560 A · Owner: Kubota, Ltd. · Inventors: Shiiyama, Hideo; Kinoshita, Mikio; Nagai, Hiroshi

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 travel speed change apparatus for a farm vehicle in which a first speed change mechanism and a second speed change mechanism coact to change the travelling speed. The first and second speed change mechanisms are operable by manipulating a single hand lever movable in two different directions and not two independent levers. This single lever is adapted to actuate the first and second speed change mechanisms by moving in the same direction. - 18 -

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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 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 25, 1978
GrantedJune 23, 1981
Term endedJune 23, 1998
Patent numberCA 1103560 A
Classification (IPC)F16H63/30 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedAug 25, 1978Patent grantedJune 23, 1981Term endedJune 23, 1998

Sources & verification

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