Patent Yard Sign in
Expired Canadian patentCanada

Steam turbine

CA 68331 A · Owner: Brady, John F. · Inventors: Brady, John F.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Read the whole patent

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 August 13, 1900. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 1917.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 13, 1899
GrantedAugust 13, 1900
Term endedAugust 13, 1917
Patent numberCA 68331 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190019021904190619081910191219141916Application filedOct 13, 1899Patent grantedAug 13, 1900Term endedAug 13, 1917

Sources & verification

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