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Expired Canadian patentCanada

Cassette containing flexible tubing to be dispensed therefrom

CA 1318234 C · Owner: Williams, Maurice Stanley · Inventors: Ward, Brian; Richards, David Charles; Ward, Brian

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

In a cassette for dispensing flexible tubing the, tubing is packed in a tightly layered mass between a tubular core and the vertical wall of a casing. Subsequently a cap is mounted in an expanded portion of the casing. The cap has A vertical part fitting the portion and a flange partially overlapping the pack. The cap is secured against rising by punching tongues out of the portion that engage in a groove in the part. The inner surface of part aligns with surface of casing. The junction beneath expanded portion prevents cap from descending as the tubing is dispensed from the top of the pack, over the core edge and through core.

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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 May 25, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 25, 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.
FiledJuly 31, 1989
GrantedMay 25, 1993
Term endedMay 25, 2010
Patent numberCA 1318234 C
Classification (IPC)B65B9/15 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 31, 1989Patent grantedMay 25, 1993Term endedMay 25, 2010

Sources & verification

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