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Expired Canadian patentCanada

Apparatus and method for tracking and identifying printed circuit assemblies

CA 1313263 C · Owner: Rogers, Donald Lee · Inventors: Rogers, Donald Lee

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

A method and apparatus for tracking and identifying printed circuit assemblies is presented. Information about each printed circuit assembly (PCA), including the current revision level of the PCA is stored within a nonvolatile random access memory(RAM) within each PCA. The stored information may be accessed by a user through a dedicated bus and hardware designed for this task. Additionally, through the dedicated bus and hardware the user may update the information within the printed circuit assembly.

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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 January 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2010.
  • 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 16, 1988
GrantedJanuary 26, 1993
Term endedJanuary 26, 2010
Patent numberCA 1313263 C
Classification (IPC)G06F1/00 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedSep 16, 1988Patent grantedJan 26, 1993Term endedJan 26, 2010

Sources & verification

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