Mobile radio telephone with reduced key set
CA 2288749 A1 · Owner: Easyphone Gmbh · Inventors: Pazdersky, Kristian; Harisch, Klaus; Wunsch, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention seeks to reduce the size of a mobile radio telephone (1) by reducing its key set (7, 11, 12, 13). The invention relates to a system and a method for mobile radio telephone transmission by means of a mobile unit (1) having just one or more direct connection keys (7 11, 12, 13) to establish a , connection. By pressing these keys once a connection is established to the , destination allocated to the respective direct connection key (7 11, 12, 13). , Connection (33) of the mobile unit (1) to a central communication device (30) is established by pressing a central key (7) on the mobile unit (1).
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 April 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 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
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.