Mobile communication device with foldable keyboard
CA 2511525 A1 · Owner: Sierra Wireless, Inc. · Inventors: Harries, Andrew S.G.; Winebrenner, Jon T.; Tosey, Joseph Peter Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic device that has a lower portion that unfolds to reveal an extendable keyboard. When the keyboard is folded closed a number pad is , visible and the device looks similar to a traditional portable or cellular telephone. The device can be used as a personal digital assistant a cellular , telephone, a cordless telephone or as the handset of a traditional wire line telephone. The fold-out keyboard of the electronic device can be used for easy entry of text data while a communication channel is active. The device includes two way messaging and Internet browsing capabilities.
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 24, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 24, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 24, 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.