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Expired Canadian patentCanada

Shackle type seal

CA 1319248 C · Owner: Tritton, Victor R. · Inventors: Chevillard, Paul F.; Tritton, Victor R.; Tritton, Gary E.

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

The present invention relates to a shackle-type seal. The seal comprises first and second body portions which enclose a hollow chamber therebetween, and define a shackle legreceiving area adapted to receive a pair of shackle legs. Shackle leg engaging means are provided within the chamber adapted to engage a shackle leg inserted into the chamber. One side portion of the body has a pair of apertures therein in communication with the chamber and each is adapted to receive a shackle leg. At least one of the apertures has stop means therein adapted to prevent egress of a shackle leg therefrom and means are provided for securing of the body portions together to form a seal assembly.

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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 June 22, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 22, 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, 1985
GrantedJune 22, 1993
Term endedJune 22, 2010
Patent numberCA 1319248 C
Classification (IPC)E05B73/00 +1 more

Timeline

Timeline From CIPO dates

198619891992199519982001200420072010Application filedJuly 31, 1985Patent grantedJune 22, 1993Term endedJune 22, 2010

Sources & verification

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