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Expired Canadian patentCanada

Scanner to combine partial fragments of a complete code

CA 2069446 C · Owner: Sharpe, Jeffrey G. · Inventors: Wurz, David A.; Skokowski, Richard J. Jr.; Chaleff, Edward I.

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

A scanner (100) can read machine-readable code (86) on an object. A scanner has a scanning device, a data device, and a registration device. The scanning device can repetitively scan the code and provide a scan signal repetitively corresponding to at least fragments of the code (86). The data device is coupled to the scanning device and responds to its scan signal for repetitively storing it. The registration device is coupled to the data device for reconstructing the code from at least two of the fragments of the code by relatively shifting the code fragments until they arc in registration (103).

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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 23, 1991 and granted November 9, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 2011.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 23, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 23, 1991
GrantedNovember 9, 1999
Term endedSeptember 23, 2011
Patent numberCA 2069446 C
Classification (IPC)G06K9/18 +2 more

Timeline

Timeline From CIPO dates

1992199419961998200020022004200620082010Application filedSep 23, 1991Patent grantedNov 9, 1999Term endedSep 23, 2011

Sources & verification

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