Patent Yard Sign in
Expired Canadian patentCanada

Method and apparatus for automatically transmitting a message to a telephone terminal

CA 1267207 C · Owner: Urui, Kiyoshi · Inventors: Yamashita, Hiroaki; Urui, Kiyoshi

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A method and apparatus for automatically transmitting a message to a telephone terminal. Each message is assigned an identification code which identifies a message stored in a calling telephone. When the calling telephone calls the telephone which generated the identification code, the identified message is caused to be displayed to the calling party.

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 March 27, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2007.
  • 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 3, 1986
GrantedMarch 27, 1990
Term endedMarch 27, 2007
Patent numberCA 1267207 C
Classification (IPC)H04M3/50 +2 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedMarch 3, 1986Patent grantedMarch 27, 1990Term endedMarch 27, 2007

Sources & verification

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