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Expired Canadian patentCanada

Adjustable discharge spout for forage harvester

CA 1093118 A · Owner: Sperry Rand Corporation · Inventors: Lindblom, Curtis H.; Priepke, Edward H.

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 discharge spout for a forage harvester connected at the inlet end to the discharge of the blower of a forage harvester by pivotal means having a horizontal axis and extending upward and outward therefrom, in combination with a longitudinally adjustable tensile support link connected at one end substantially midway to said spout and the other end being connectable to a stationary vertical member on the harvester such as a member, of the cab thereof, by means of a bracket having pivotal means at the outer end thereof so that by adjusting the length of said link, the outer discharge end of the spout may be raised or lowered as required about the pivotal axis of said connected end on said …

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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 January 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 6, 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.
FiledFebruary 8, 1979
GrantedJanuary 6, 1981
Term endedJanuary 6, 1998
Patent numberCA 1093118 A
Classification (IPC)A01D87/10

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedFeb 8, 1979Patent grantedJan 6, 1981Term endedJan 6, 1998

Sources & verification

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