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Expired Canadian patentCanada

Flushing tank

CA 51064 A · Owner: Plows, Hunter · Inventors: Malcolm Cookson, Charles; Plows, Hunter

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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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 January 20, 1896. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 20, 1913.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 29, 1895
GrantedJanuary 20, 1896
Term endedJanuary 20, 1913
Patent numberCA 51064 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

189618981900190219041906190819101912Application filedAug 29, 1895Patent grantedJan 20, 1896Term endedJan 20, 1913

Sources & verification

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