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Expired Canadian patentCanada

Controlled spacing induction from plural lines

CA 1324588 C · Owner: Kohls, James P. · Inventors: Kohls, James P.; Khodor, Ahmad; Doane, Martin R.

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

A conveyor system including an induction subassembly for producing a desired spacing between packages as they are discharged from a single induction line or merged from multiple lines. Each induction line includes a conveyor and a speed controller for controlling the running speed of the conveyor in a manner that discharges a package as close as possible to a time necessary to provide a desired gap with a previously-discharged package. A control monitors movement of packages on the conveyor of each line and includes means for determining a speed adjustment that would be required for each speed controller to cause the packages on each of the lines to reach the associated discharge conveyor …

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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 November 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 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 28, 1989
GrantedNovember 23, 1993
Term endedNovember 23, 2010
Patent numberCA 1324588 C
Classification (IPC)B65G47/70 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedSep 28, 1989Patent grantedNov 23, 1993Term endedNov 23, 2010

Sources & verification

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