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Expired Canadian patentCanada

Inlet checking device for a stacking channel

CA 1279666 C · Owner: Padovani, Pietro · Inventors: Padovani, Pietro

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

An inlet checking device for a stacking channel comprises at least one jaw provided with at least one inclined plane and a check groove, said jaw being located in a recess of the channel structure and, further comprising at least one jaw loading spring and control means for adjusting the radial projection of said jaw inside the channel.

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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 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 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.
FiledMay 25, 1987
GrantedJanuary 29, 1991
Term endedJanuary 29, 2008
Patent numberCA 1279666 C
Classification (IPC)B65G57/16 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedMay 25, 1987Patent grantedJan 29, 1991Term endedJan 29, 2008

Sources & verification

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