Automatic answering telephone set
CA 2229353 A1 · Owner: Nire, Katsuo · Inventors: Nire, Katsuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides an automatic answering telephone set which eliminates cumbersome operations when a user tries to listen to a recorded business message from a remote place. The automatic answering telephone set includes a termination detection section and a line interface to which a telephone line is connected commonly a reception section connected to the line interface a, voice recording and reproduction section which provides an automatic answering telephone function a control section, formed from a microcomputer for controlling the entire automatic answering telephone set, an operation key section including several keys such as dial keys and connected to the control section, and a …
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 February 13, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 13, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 13, 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.