A digital mapping system
CA 2820249 C · Owner: Google Llc · Inventors: Rasmussen, Lars Eilstrup; Kirmse, Andrew Robert; Taylor, Bret Steven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for use in displaying a digital map comprises means for generating a set of map tiles associated with a map created from digital map data means for interpreting candidate location data received from a client the candidate location data including location information means for determining said location information from the candidate location data and means for providing requested map tiles associated with the location information to the client.
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 February 5, 2005 and granted July 19, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 5, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.