Patent Yard Sign in
Expired Canadian patentCanada

Ice sawing machine

CA 190861 A · Owner: The Gifford Wood Company · Inventors: Phillips, Byron B.; Gifford, Malcolm

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.

Google PatentsCIPO record

Why it's free to use

  • Granted June 10, 1919. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 10, 1936.
  • 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 10, 1919
GrantedJune 10, 1919
Term endedJune 10, 1936
Patent numberCA 190861 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

192019221924192619281930193219341936Application filedMarch 10, 1919Patent grantedJune 10, 1919Term endedJune 10, 1936

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.com

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