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Expired Canadian patentCanada

Weight transfer control for a front mount mower

CA 1293859 C · Owner: Hutchison, Wayne Robert · Inventors: Hutchison, Wayne Robert

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

Abstract of the Disclosure, A weight transfer control for a front mount mower including a foot pedal actuated mechanical linkage to selectively transfer a portion of the mower weight to the drive vehicle. The operator can easily and quickly engage and disengage the weight transfer control as the mowing conditions and terrain dictate. The foot pedal through a series of control links, actuates or winds a torsion spring which will transfer a large portion of the mower weight to the drive vehicle.

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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 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 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.
FiledApril 30, 1987
GrantedJanuary 7, 1992
Term endedJanuary 7, 2009
Patent numberCA 1293859 C
Classification (IPC)A01D34/64 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedApril 30, 1987Patent grantedJan 7, 1992Term endedJan 7, 2009

Sources & verification

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