System and method for electronic mail message processing
CA 2396415 A1 · Owner: Leonard, Jon N. · Inventors: Bernstein, Michael; Leonard, Jon N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic mail system and method enables the originator of a message (2) sent by electronic mail to select a date time, or event at which the message , and all incarnations of the message to self-destruct regardless of the number , and types of computers or software systems that may have interacted with the message, and/or to include processing and handling limitations. The necessary control over the message is achieved by encrypting the message and enabling viewing only through a viewer applet (4) arranged to facilitate destruction of the message upon the occurrence of the selected expiration time date, or , event, and/or to implement the handling and processing limitations. A …
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 27, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 27, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 27, 2022.
- 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.