A digital mapping system
CA 2820299 C · Owner: Google Inc. · Inventors: Kirmse, Andrew Robert; Laforge, Seth Michael; Norris, James Christopher
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for displaying information on a digital map comprises receiving location data from a user obtaining a digital map from a server based on the location data obtaining an information marker associated with the location data obtaining an information marker shadow associated with the information marker overlaying the information marker and the information marker shadow on the digital map to create the appearance of a three- dimensional map and displaying the digital map overlaid information marker and information marker shadow.
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 February 21, 2017. 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.