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Expired Canadian patentCanada

Lower steering arm assembly for an attaching device of a tractor

CA 2287516 C · Owner: Gkn Walterscheid Gmbh · Inventors: Sayer, John

CIPO record

Overview

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

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Abstract From the Canadian patent

The invention relates to an assembly with a lower steering arm having a strut 1 and an attaching end 16. To achieve a cost-effective design while at the same time reducing the play between the attaching end 16 and the end of the strut 1 received therein, the attaching end 16 consists of a base member 18 and a cover 19. In the base member 18, there is supported the blocking pawl 34. The cover 19 is welded to the base member 18 and comprises a stop face 30 for the end face 10 of the strut 1 so that, any tolerances in the region of the base member 18 provided in the form of a forging do not affect the position of the stop face 30. The latter can be aligned when connecting the base member 18 …

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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

  • Filed October 22, 1999 and granted July 2, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 22, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 22, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 22, 1999
GrantedJuly 2, 2002
Term endedOctober 22, 2019
Patent numberCA 2287516 C
Classification (IPC)A01B59/06 +1 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedOct 22, 1999Patent grantedJuly 2, 2002Term endedOct 22, 2019

Sources & verification

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