Control apparatus for a mobile radiotelephone
CA 2083712 C · Owner: Cramer, Joseph F. Jr. · Inventors: Cramer, Joseph F. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The radiotelephone control apparatus of the present invention is comprised of a number of status indicators (104) and control buttons (103 and 105) on one surface (110) as well as a microphone (102) for hands-free radiotelephone operation. A second surface (111) has a keypad (101) for entering data such as telephone numbers. a display (106) for displaying the entered data in addition to various other control buttons (108) to operate the radiotelephone. The apparatus is mounted in a recess of a vehicle instrument panel with the front surface exposed at all times thus providing limited operation of the radiotelephone. The apparatus can be released from the recess, thereby exposing the surface …
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 3, 1992 and granted December 9, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 3, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 3, 2014.
- 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.