Patent Yard Sign in
Expired Canadian patentCanada

Cable telegraphy

CA 134690 A · Owner: Kitsee, Isidor · Inventors: Kitsee, Isidor

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 August 1, 1911. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 1, 1928.
  • 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 12, 1910
GrantedAugust 1, 1911
Term endedAugust 1, 1928
Patent numberCA 134690 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

191119131915191719191921192319251927Application filedMarch 12, 1910Patent grantedAug 1, 1911Term endedAug 1, 1928

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.