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Expired Canadian patentCanada

Metal founding

CA 1207124 A · Owner: Rhb Technology Corporation · Inventors: Beetle, Robert 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

Application of: ROBERT H. BEETLE, For: METAL FOUNDING Abstract of the Disclosure, Metal founding in a glass-ceramic mold which is reusable. -1-, --1--

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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 July 8, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 8, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 18, 1981
GrantedJuly 8, 1986
Term endedJuly 8, 2003
Patent numberCA 1207124 A
Classification (IPC)B22C9/06 +2 more

Timeline

Timeline From CIPO dates

19821985198819911994199720002003Application filedDec 18, 1981Patent grantedJuly 8, 1986Term endedJuly 8, 2003

Sources & verification

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