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Expired Canadian patentCanada

Pickup of a farm machine

CA 1111663 A · Owner: Severo-Kavkazskaya Gosudarstvennaya Zonalnaya Mashinoispytatelnaya Stantsia · Inventors: Kravchenko, Igor G.; Gavrilenko, Boris P.; Markov, Valery V.

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

In a pick-up of a farm machine the crossbar of the, frame which interconnects the frame side members is sectional while its components are hinge-interconnected at a joint thereof so as to swivel with respect to each other round the cross longitudinal axis. The pick-up is useful in cutting down harvesting lossess concerned with the picking of various farm crops, especially in the case of complicated field contours.

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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 November 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 24, 1980
GrantedNovember 3, 1981
Term endedNovember 3, 1998
Patent numberCA 1111663 A
Classification (IPC)A01D89/00

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Application filedJan 24, 1980Patent grantedNov 3, 1981Term endedNov 3, 1998

Sources & verification

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