Telephone set
CA 1109575 A · Owner: Telefonaktiebolaget Lm Ericsson · Inventors: Blomberg, Knut H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A new design of a telephone set is disclosed which ensures that the caller will grip the telephone hand set in the most convenient manner. The seat accomodating the handle is shaped as a channel whose sides surround the handle along its middle part so that the person making the telephone call cannot seize this part but, instead, will seize the lower microphone part.
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
- Granted September 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 1998.
- 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.