Apparatus and method for electronic mail address portability
CA 2313329 A1 · Owner: Northern Telecom Limited · Inventors: Tello, Antonio G.; Melkild, Keith
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for e-mail address portability are provided. A service control point (SCP, 200) on the Internet comprises an e-mail address database (202) and a transaction processing object. The e-mail address database (202) has at least a well-known-address field (204) for storing a well-known address value and a literal address field (206) for storing a literal address value that corresponds to the well-known-address value. The transaction processing object, when called with an address translation request accesses the e-mail , address database (202). The address translation request has a well-known address value which is translated to the corresponding literal address …
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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 November 25, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 25, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 25, 2020.
- 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
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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.