Patent Yard Sign in
Expired Canadian patentCanada

Electrolysis of chlorides of metals of the alkalies and alkaline earths

CA 75790 A · Owner: Atkins, George Jones · Inventors: Atkins, George Jones

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 May 6, 1902. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 6, 1919.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 11, 1901
GrantedMay 6, 1902
Term endedMay 6, 1919
Patent numberCA 75790 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190219041906190819101912191419161918Application filedApril 11, 1901Patent grantedMay 6, 1902Term endedMay 6, 1919

Sources & verification

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