Portable communication terminal apparatus
CA 2279708 C · Owner: Sharp Kabushiki Kaisha · Inventors: Miki, Kazushige
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An object of the invention is to provide excellent operability in receiving a textual message. A call set-up signal representing that a textual message from a transmitter side is transmitted, and a textual message are received by a transmission and reception circuit without performing any response to the incoming call, and the received textual message is stored in a memory. Notification means performs a notification operation by the call set-up signal being received. The receiver can read the message by viewing display means. Thus the message from the transmitter can be received in real time. Since it is unnecessary to respond to an incoming call the receiver side is not charged. An …
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 August 4, 1999 and granted October 28, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 4, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 2021.
- 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.