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Expired Canadian patentCanada

Atomization process

CA 1315055 C · Owner: Fischer, John Joseph · Inventors: Fischer, John Joseph

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

Process for atomizing metal comprising quenching molten particulates atomized in or into a gas medium at the surface of a liquid quench medium, the position of which is adjusted to give a significant proportion of irregularly shaped particles in the powder product.

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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 March 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 2010.
  • 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 6, 1987
GrantedMarch 30, 1993
Term endedMarch 30, 2010
Patent numberCA 1315055 C
Classification (IPC)B22F9/08

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMarch 6, 1987Patent grantedMarch 30, 1993Term endedMarch 30, 2010

Sources & verification

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