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Expired Canadian patentCanada

Non-returnable newsprint carrier system

CA 1322360 C · Owner: Sonoco Products Company · Inventors: Kewin, Daniel Desmond

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

Abstract Of The Invention, A non-returnable newsprint carrier system is provided which is adapted for winding of newsprint shipping, and storing of newsprint and mounting in reels of offset printing presses on stub shafts, and which is characterized by eliminating the need for a return to the newsprint manufacturer, increasing core crush resistance during shipping and storing, and reducing roll vibration during unwinding in the printing press. The system comprises a tubular core without metal end caps thereon and defining inside surfaces at opposite ends for receiving therewithin the reel stub shafts of the offset printing press. Core plugs are provided for being inserted into the ends of …

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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 September 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 21, 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.
FiledOctober 8, 1987
GrantedSeptember 21, 1993
Term endedSeptember 21, 2010
Patent numberCA 1322360 C
Classification (IPC)B65D85/67 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedOct 8, 1987Patent grantedSep 21, 1993Term endedSep 21, 2010

Sources & verification

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