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Expired Canadian patentCanada

Tractor mounted swather

CA 1210936 A · Owner: Honeycrop Ltd. · Inventors: Teichrob, Gary W.

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

A swather having more than one swathing head including a front head and at least one side head the heads, being connected to a common sub-frame which can be readily attached to the main frame of a tractor. The front head is carried by a front transverse portion of the sub-frame and, the side head is connected to a rearwardly extending portion which is affixed to the front transverse portion. The front head extends across the front of the tractor and the side head is attached behind the front head and extends laterally beyond a side edge of the front head. The front transverse portion has means for connection to the front part of the main frame and the rearwardly extending portion has means …

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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 September 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 2003.
  • 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 3, 1984
GrantedSeptember 9, 1986
Term endedSeptember 9, 2003
Patent numberCA 1210936 A
Classification (IPC)A01D75/00 +2 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedAug 3, 1984Patent grantedSep 9, 1986Term endedSep 9, 2003

Sources & verification

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