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Expired Canadian patentCanada

Apparatus for synchronizing data reading capabilities of an optical reader

CA 2080649 C · Owner: Edwards, Robert J. · Inventors: Edwards, Robert J.; Lowell, Kenneth W.

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 mounting apparatus for an optical reader which provides adjustment of the reader along two axes. The apparatus comprises a support member having a slotted section defined by first and second arms projecting from each end of the support member and extending in a second direction perpendicular to the first direction. There is a plate member adjacent and operatively coupled to the support member for clamping the support member to the support shaft whereby the support member can be adjustably positioned in the first direction. A travelling nut is slidably positioned in the slotted section, and has an aperture in which the optical reader is held. The travelling nut includes a threaded hole …

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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 October 15, 1992 and granted June 17, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 15, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 15, 1992
GrantedJune 17, 2003
Term endedOctober 15, 2012
Patent numberCA 2080649 C
Classification (IPC)G06K9/18 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedOct 15, 1992Patent grantedJune 17, 2003Term endedOct 15, 2012

Sources & verification

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