Patent Yard Sign in
Expired Canadian patentCanada

Swather hitch device for pull-type implements

CA 1267290 C · Owner: Reimer, Alden L.F. · Inventors: Reimer, Alden L.F.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A control device is mounted on the tongue of a drawn implement, normally an implement that extends to one side of the tongue. The control device includes a strut that is mounted on the tongue of the towed implement and projects laterally from the tongue, to the side away from the projection of the implement itself. A stabilizer tongue is slideably connected to the strut and is connected at its front end to a second, rigid hitch beside the hitch for the implement tongue. Springs act between the strut and the stabilizing tongue to resist movement of the stabilizing tongue with respect to the strut. The control device balances the tendency of the offset implement to move laterally when towed …

Read the whole patent

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 3, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2007.
  • 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 24, 1988
GrantedApril 3, 1990
Term endedApril 3, 2007
Patent numberCA 1267290 C
Classification (IPC)A01B59/00 +1 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedAug 24, 1988Patent grantedApril 3, 1990Term endedApril 3, 2007

Sources & verification

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