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Expired Canadian patentCanada

Process and apparatus allowing the real-time distribution of data for control of a patterning process

CA 2036342 C · Owner: Milliken & Company · Inventors: Cox, Steven Wayne

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 textile dyeing apparatus enables the real-time selection of destinations for pattern information. A pattern control system has a plurality of destinations for receiving pattern information. The pattern control system includes means for selecting one of the destinations in response to a selectional signal. A processor coupled to the pattern control system transfers the pattern information. The processor includes a first memory for locally storing the pattern information and a programmable direct memory access controller board, coupled to said first memory. The board initiates the transfer of the pattern information from the first memory in response to a transfer signal from the processor. …

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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 February 14, 1991 and granted January 2, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 14, 2011.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 14, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 14, 1991
GrantedJanuary 2, 1996
Term endedFebruary 14, 2011
Patent numberCA 2036342 C
Classification (IPC)G05B19/12 +2 more

Timeline

Timeline From CIPO dates

1992199419961998200020022004200620082010Application filedFeb 14, 1991Patent grantedJan 2, 1996Term endedFeb 14, 2011

Sources & verification

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