Patent Yard Sign in
Canadian application, no grantCanada

System, apparatus, computer product and method for procuring encryption keys

CA 2293117 A1 · Owner: Tubman, Ron · Inventors: Ruttan, Mel; Tubman, Ron

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

An encryption computer product and apparatus for providing secure messaging between a first terminal and at least one other remote terminal comprising a communication facility, encryption facility and key procurement facility. A system for, secure messaging between a group of terminals over an interconnected network of, computers comprising at least two terminals for sending and receiving messages, each of, terminals having a key procurement facility and key exchange centre. A method , for exchanging encryption keys between remote terminals using a key exchange centre which, provides the remote terminals with an exchange key and communication key encrypted, with such exchange key.

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

  • Filed December 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 23, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 23, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 23, 1999
GrantedNo grant recorded
Term endedDecember 23, 2019
Patent numberCA 2293117 A1
Classification (IPC)H04L9/28

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedDec 23, 1999Term endedDec 23, 2019

Sources & verification

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