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Expired Canadian patentCanada

Imaging system

CA 1288874 C · Owner: Rushbrooke, John · Inventors: Rushbrooke, John; Ansorge, Richard

CIPO record

Overview

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

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Abstract From the Canadian patent

An imaging system comprising elongate detecting means operable to emit light in response to incident radiation a bundle of optical, fibres arranged so that an input end thereof is positioned at the detecting means for receiving light therefrom and an output end thereof is positioned at an image intensifier or camera wherein the optical fibres are regrouped so that the aspect ratios of the input and output ends of the bundle of optical fibres match those of the detecting means and the image intensifier or camera respectively.

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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 September 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 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.
FiledApril 8, 1988
GrantedSeptember 10, 1991
Term endedSeptember 10, 2008
Patent numberCA 1288874 C
Classification (IPC)G01V5/00 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedApril 8, 1988Patent grantedSep 10, 1991Term endedSep 10, 2008

Sources & verification

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