Dual metering method for enhanced mail security
CA 2453682 A1 · Owner: Sansone, Ronald P. · Inventors: Sansone, Ronald P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method to create secure postal indicia that is fixed in two or more different, mediums, i.e. printed on a mail piece with normal ink and/or invisible ink and, recorded in a radio frequency identification (RFID) tag. The security feature is, enhanced by recording a number in a memory of a radio frequency identification tag that is linked to a dual meter user before the tag is delivered, to the user of the dual meter; processing by the dual meter the number recorded in the radio frequency identification tag memory when the dual postal indicia is being composed; storing the processed number in the radio frequency tag memory; affixing a postal indicia portion of a dual postal indicia, …
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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 December 17, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 17, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 17, 2025.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.