Cordless wireless local loop phone
CA 2498688 A1 · Owner: Hagopian, Craig M. · Inventors: Kim, Duk San; Yukie, Satoru; Hagopian, Craig M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and apparatus for implementing a phone system providing a local wireless connection and a wide area wireless connection. in one implementation, a phone system includes: a terminal unit comprising: a first antenna, a first modem connected to said first antenna a second antenna, a , second modern connected to said second antenna a modern interface connected , to said first modern and to said second modern; wherein said first modem provides a first air Interface using said first antenna for short range communication, said second modern provides a second air interface using said second antenna, and said second air interface is different than said first air interface.
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 September 10, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 10, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 10, 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.