Programmable universal modem system
CA 2110722 C · Owner: Mlr, Llc · Inventors: Sainton, Joseph B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system (102) comprises a portable computer (104) with a central processing unit (106) and associated software (108) and a modem (110) with an output jack (112) carrying data transmit (128) data receive (126) tip, ring (134), and programmable digital input/output (130) lines sufficient to facilitate control of a large number of alternative telephone access devices (116). The operation and functions of the tip, ring TX, RX and programmable DIO lines are controlled in a preferred embodiment by software in the modem (110) under the control of the software in the computer (104). In a preferred embodiment a user operates the software, in the computer (104) to specify a type or model of …
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 6, 1993 and granted September 30, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 6, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 6, 2015.
- 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.