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Expired Canadian patentCanada

Holographic statue with an auto-switch mechanism

CA 2435250 C · Owner: Sunatori, Go Simon · Inventors: Sunatori, Go Simon

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

cndot. A holographic projection device for displaying a 3-dimensional image , comprises a cylindrical base having a diagonally-cut top portion and a , figurine. The cylindrical base comprises a reflection-type hologram a , point source of white light, and a magnetic element. The figurine has a diagonally-cut bottom portion, and comprises a magnetic element. The reflection-type hologram projects an upright orthoscopic image having both horizontal and vertical parallaxes. The cylindrical base has the capability of detachably mounting the figurine with a magnetic attraction force between the magnetic elements. A downward movement of the magnetic element by gravity turns on the point …

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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

  • Filed July 25, 2003 and granted December 31, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 25, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 25, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 25, 2003
GrantedDecember 31, 2013
Term endedJuly 25, 2023
Patent numberCA 2435250 C
Classification (IPC)G03H1/02 +1 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedJuly 25, 2003Patent grantedDec 31, 2013Term endedJuly 25, 2023

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.