Inspection of translucent containers
CA 2132111 C · Owner: Ringlien, James A. · Inventors: Nicks, Timothy J.; Ringlien, James A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for detecting checks in the sidewall of a translucent container (22) that includes a light source (24) for illuminating an elongated strip of the container sidewall parallel to the central axis of the container in such a way that illumination rays are incident at any point of the strip from multiple differing angles. A camera (50) is positioned externally of the container for receiving light reflected by checks in the illuminated strip and electronic circuitry (52) is coupled to the camera for detecting checks in the container as a function of such reflected light. Since the light rays at any point in the elongated illuminated strip on the container sidewall are incident from …
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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 September 15, 1994 and granted November 18, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 15, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 15, 2016.
- 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
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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.