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Canadian application, no grantCanada

Visual function testing with virtual retinal display

CA 2338417 A1 · Owner: Mcclure, Richard J. · Inventors: Mcclure, Richard J.; Wroblewski, Dariusz; Massengill, R. Kemp

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Abstract From the Canadian patent

A system for testing, quantifying visual field and other visual function information in a head mounted virtual reality environment (12) utilizing a , directed image formation device (13) for scanning of an image onto the retina of the test subject. A method, and an apparatus are also provided for utilizing a central neural network, a central data bank to perform automatic interpretation of the visual function test parameters obtained in a plurality of visual field testing systems for a plurality of patients with control, and , response signals being transmitted via the Internet. The data produced by the testing systems are automatically analyzed and compared with patterns on , which …

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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 May 26, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 26, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 26, 2000
GrantedNo grant recorded
Term endedMay 26, 2020
Patent numberCA 2338417 A1
Classification (IPC)A61B3/02 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedMay 26, 2000Term endedMay 26, 2020

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