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Expired Canadian patentCanada

Apparatus for controlling posture of front loader

CA 1298815 C · Owner: Kubota Ltd. · Inventors: Kourogi, Isao

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

The posture of a front loader attached to a vehicle body is controllable by an apparatus which comprises an engaging portion provided on a control lever, an engageable member pivoted to a fixed member on the vehicle body and releasably engageable with the engaging portion when the control lever is positioned for lowering the boom of the loader and for moving the work implement of the loader for scooping an implement, sensor for detecting whether the angle between the implement and the boom is an angle of contact of the implement with the horizontal ground, and a release interlocking mechanism operatively connected to the sensor and to the engageable member for moving the engageable member …

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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 April 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 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.
FiledAugust 30, 1988
GrantedApril 14, 1992
Term endedApril 14, 2009
Patent numberCA 1298815 C
Classification (IPC)E02F3/43 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedAug 30, 1988Patent grantedApril 14, 1992Term endedApril 14, 2009

Sources & verification

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