Patent Yard Sign in
Expired Australian patentAustralia

Enciphering method deciphering method and certifying method

AU 2001069973 · Applicant: Canon Kabushiki Kaisha

AusPat record

Overview

Drawings and full text

Its specification, documents and status are on IP Australia's AusPat.

Open the AusPat record

Read the whole patent

Listed from its IP Australia record in Patent Yard's archive of Australian patents past their term. Its claims, description and drawings are in the AusPat record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed September 10, 2001 and granted December 4, 2003. An Australian standard patent lasts 20 years from its date of patent, which is at most a year after this filing, so its term ended by September 10, 2022.
  • Term extensions apply only to pharmaceutical patents, and it isn't classified as one.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 10, 2001
GrantedDecember 4, 2003
Term ended bySeptember 10, 2022
Application numberAU 2001069973
Classification (IPC)H04L9/30 +1 more

Timeline

Timeline From IP Australia dates

2002200520082011201420172020Application filedSep 10, 2001Patent grantedDec 4, 2003Term ended bySep 10, 2022

Sources & verification

Everything on this page comes from the IP Australia record linked above. Data from IP Australia's IPGOD, licensed under CC BY 2.5 AU.