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Expired Canadian patentCanada

Data analysis and display system for reciprocating equipment in industrial processes

CA 1234902 A · Owner: Mickowski, John · Inventors: Mickowski, John

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The data analysis and display system of the present invention utilizes a microcomputer in combination with a CRT and a multiplicity of transducers for monitoring process parameters in the operation of a reciprocating device having a linear stroke. A profile of the process parameters are generated as a function of stroke length stored in, a non-volatile memory and graphically displayed on the CRT as master traces for comparison with current data profiles.

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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 April 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 5, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 4, 1985
GrantedApril 5, 1988
Term endedApril 5, 2005
Patent numberCA 1234902 A
Classification (IPC)G01D3/08

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedJan 4, 1985Patent grantedApril 5, 1988Term endedApril 5, 2005

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