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Expired Canadian patentCanada

Banknote invalidating machine

CA 1072371 A · Owner: Compagnie Industrielle Radioelectrique · Inventors: Durrer, Franz

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 banknote invalidating machine comprises an intechangeable plate for receiving a pile of banknotes of given format, a press which compresses the pile of notes and a perforating tool which is moved by a sequential control to perforate the compressed pile of notes at given locations.

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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 February 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedFebruary 26, 1980
Term endedFebruary 26, 1997
Patent numberCA 1072371 A
Classification (IPC)B23B39/00 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedFeb 26, 1980Term endedFeb 26, 1997

Sources & verification

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