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Expired Canadian patentCanada

Machine and method for erecting a carton

CA 1185822 A · Owner: The Mead Corporation · Inventors: Making, Raymond A.; Mayer, Derek R.

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

The invention provides a machine and method for erecting, from a collapsed condition to an erected condition a carton having a tray-like configuration. The machine comprises means for withdrawing a collapsed carton from a supply means for moving apart top and bottom wall panels of the carton to bring the carton into a tubular configuration means for, causing a first end closure panel at each end of the tubular structure to be brought into a position to close the ends of the tubular structure, means for causing a second end closure panel at each end of the tubular structure to be brought into overlapping relationship with respect to said first end closure panels, and means for causing …

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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 23, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 2002.
  • 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 3, 1982
GrantedApril 23, 1985
Term endedApril 23, 2002
Patent numberCA 1185822 A
Classification (IPC)B31B50/26 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedFeb 3, 1982Patent grantedApril 23, 1985Term endedApril 23, 2002

Sources & verification

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