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Expired Canadian patentCanada

Riding mower

CA 1285143 C · Owner: Johansson, Rolf Andres Gunnar · Inventors: Johansson, Rolf Andres Gunnar

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 invention relates to a mower comprising a chassis which is provided with an engine. The chassis consists of a front and a rear section each section being provided with a pair of wheels and the front section supports a cutting attachment. The front and at least a part of the rear section are pivotally connected to each other so that they can be turned mainly about a vertical steering axis and about a mainly horizontal swinging axis. The steering axis (29) and the swinging axix (42) is placed considerably closer to the wheel axis of the rear section (13) than the wheel axis of the front section (12) preferably so that the distance (a) between the steering axis (29) and the wheel axis of …

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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 25, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 7, 1986
GrantedJune 25, 1991
Term endedJune 25, 2008
Patent numberCA 1285143 C
Classification (IPC)A01D34/64

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedJuly 7, 1986Patent grantedJune 25, 1991Term endedJune 25, 2008

Sources & verification

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