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Expired Canadian patentCanada

Belt for round baler

CA 1202818 A · Owner: Deere & Company · Inventors: Anstey, Henry D.; Soteropulos, Gust S.

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 belt for large round baler has a roughly textured crop-, engaging surface formed by a plurality of continuous uniform, height walls defining a plurality of recesses therebetween. The walls may be arranged in a variety of polygonal shapes. The height of the walls is less than the maximum spacing between adjacent walls. The thickness of the walls decrease from the base toward the tip. The textured surface of the belt provides reduced levels of noise and dust, a self-cleaning action lateral stiffness and longitudinal flexibility.

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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 April 8, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 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 26, 1982
GrantedApril 8, 1986
Term endedApril 8, 2003
Patent numberCA 1202818 A
Classification (IPC)A01F15/00 +2 more

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedAug 26, 1982Patent grantedApril 8, 1986Term endedApril 8, 2003

Sources & verification

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