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Expired Canadian patentCanada

Cycle increment duration measuring and display unit and method

CA 1138112 A · Owner: Logic Devices, Inc. · Inventors: Allen, Paul E.

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Abstract From the Canadian patent

A method and apparatus for motivating an operator's performance by measuring the durations in a plural step repeating work cycle of a machine of at least one step the, duration, of which is controlled by an operator,and displaying for the operators observation the duration of the same step in the immediately prior work cycle, the average duration of said step in all of the work cycles from the beginning of a work period, the overall average of said step by all operators a standard predetermined duration of the step and the maximum duration of the step. The apparatus also involves displaying at least some of the same durations for at least one or more other steps performed during the work …

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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 December 21, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 1999.
  • 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 25, 1979
GrantedDecember 21, 1982
Term endedDecember 21, 1999
Patent numberCA 1138112 A
Classification (IPC)G04F10/00 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedSep 25, 1979Patent grantedDec 21, 1982Term endedDec 21, 1999

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