Low cost communication terminal
CA 2097183 C · Owner: Palazzi, Michael A. Iii · Inventors: Palazzi, Michael A. Iii; Epps, Frank A. Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an inexpensive telecommunications device utilizing existent components located in the home or office, such as a television receiver (15) and a telephone (2) for creating an interactive display terminal (17) for accessing information stored in remote computer databases. In one embodiment according to the invention the terminal (17) is configured with the necessary logic components to communicate with a host computer system via telephone lines (1). Alternatively the device may be, directly connected to an inhouse data retrieval network. The terminal (17) is software controlled at the host database and can be dedicated to a particular host computer database system or …
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 November 27, 1991 and granted March 9, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 27, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 27, 2013.
- 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.