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Expired Canadian patentCanada

Ocr/variable head slot reader

CA 1162645 A · Owner: Recognition Equipment Incorporated · Inventors: Warthan, Jerry G.; Mcmillan, Robert M.

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

Abstract of the Invention A reading device which uses both optical character recognition techniques and magnetic reading are combined in a reader wherein the magnetic reading head stays at a fixed position while the optical reading aperture may be varied to accommodate different documents. The slot through which checks, credit cards or other similar documents are passed is movable vertically to adapt to different media from which information is to be read.

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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 February 21, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 21, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 15, 1981
GrantedFebruary 21, 1984
Term endedFebruary 21, 2001
Patent numberCA 1162645 A
Classification (IPC)G06K19/06 +2 more

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedJune 15, 1981Patent grantedFeb 21, 1984Term endedFeb 21, 2001

Sources & verification

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