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Expired Canadian patentCanada

Standardizing intelligent mail processing

CA 2554792 C · Owner: Keller, John · Inventors: Schenck, Karen; Matthews, Bill; Mcginnis, Barbara

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Abstract From the Canadian patent

Standardizing a mail processing system (Fig. 4, element 412(A-C)). An , intelligent mail processing system (Fig. 4 element 430), provides a mail , tracking code affixed to each mail piece (Fig.2 element 350), and mail , tracking procedure using tracking code. Tasks that comprise the mail processing system (Fig.4, element 430) are identified and the mail processing , system is implemented through documentation and training. After implementation, testing insures compliance with the implemented mail processing system.

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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 September 30, 2004 and granted December 8, 2020. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 30, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 30, 2004
GrantedDecember 8, 2020
Term endedSeptember 30, 2024
Patent numberCA 2554792 C
Classification (IPC)—

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedSep 30, 2004Patent grantedDec 8, 2020Term endedSep 30, 2024

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