Method and apparatus for displaying a three dimensional visual image
CA 1287243 C · Owner: Green, James A. · Inventors: Green, James A.; Terzis, Nicholas C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A photographic display for depicting a three dimensional visual image including a supporting frame for displaying a photographic image including a height width and a predetermined thickness. A viewing screen is provided and disposed to extend substantially along the height and width of said supporting frame and being positioned on a first side thereof. The viewing screen includes a plurality of substantially parallel lines having a predetermined width and being separated by clear spaces. A photographic image is provided and disposed to extend substantially along the height and width of said supporting frame and being positioned on a second side thereof, spaced from said first side by said …
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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
- Granted August 6, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 6, 2008.
- 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.