Navigation apparatus
CA 2208618 A1 · Owner: Matsushita Electric Works, Ltd. · Inventors: Kawai, Kozo; Okuno, Kaname
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A navigation apparatus is provided for surveying a present spot of the apparatus carried by a vehicle or a user with such surveying unit as a global positioning system (GPS), displaying on a display unit a present spot mark by means of latitudinal and longitudinal lines X and Y of the surveyed spot, showing on a guide display unit positions to be in coincidence with the latitudinal and longitudinal lines according to the surveyed spot and, transferring with a writing guide unit the positions of the latitudinal and longitudinal lines shown on the guide display unit onto a map. Then, the user places the apparatus on the map, and the present spot can be optimumly recognized on the map by means …
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 June 23, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 23, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 23, 2019.
- 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.