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Expired Canadian patentCanada

Continuous round baler and method

CA 1289005 C · Owner: Fell, Ferol S. · Inventors: Ratzlaff, Howard J.; Fell, Ferol S.; Garrison, H. Keith

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

Abstract of the Disclosure The baler has a "vertical" bale starting chamber in which the upwardly moving rear belts and the downwardly moving front belts cooperate to tumble and roll incoming material into a bale. When the bale reaches full size in the expanded chamber the bale is lifted while still in its chamber to a wrapping station where it continues to spin as a binding wrapper is applied. During the lifting of the finished bale and subsequent application of the wrapper, fresh material entering the continuously moving baler is confined beneath the finished bale in a new starting chamber, whereupon the cycle is repeated. As the new bale grows, a discharge ramp becomes formed by certain …

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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 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 26, 1988
GrantedSeptember 17, 1991
Term endedSeptember 17, 2008
Patent numberCA 1289005 C
Classification (IPC)A01F15/00 +1 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedApril 26, 1988Patent grantedSep 17, 1991Term endedSep 17, 2008

Sources & verification

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