Provision of stereoscopic images
CA 2021319 A1 · Owner: Van Der Walt, Petrus Joubert · Inventors: Van Der Walt, Petrus Joubert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for the provision of stereoscopic threedimensional images applicable in visual representations such as photographs, paintings, pictures other patterns or diagrams on a surface which could be produced by other means; to kinematic images which might, for example, be employed in a cinema; to projected still images to advertisements in these mediums; to book illustrations and decorations such, for example, as murals and upholstered curtains. This invention provides a swopping over of reversal of positions of two stereoscopic images as compared to the presentation of stereoscopic images which has been heretofore employed. This presentation permits a viewer to see a …
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 July 17, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 17, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 2012.
- 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.