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Expired Canadian patentCanada

Die casting machine

CA 1099476 A · Owner: Techmire Ltd. · Inventors: Lamy, Pierre; Frenette, Remi; Doucet, Maurice

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

Abstract of the Disclosure A die casting machine has a frame with a base plate pivotally mounted thereon and supporting a furnace pot. A die assembly is mounted on the front face of the base plate and a double locking toggle arrangement is used to open and close the dies. The gooseneck assembly is mounted for linear movement to actuate the nozzle onto the die parting line.

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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 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 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.
FiledMarch 13, 1979
GrantedApril 21, 1981
Term endedApril 21, 1998
Patent numberCA 1099476 A
Classification (IPC)B22D17/00 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedMarch 13, 1979Patent grantedApril 21, 1981Term endedApril 21, 1998

Sources & verification

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