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Expired Canadian patentCanada

Compression fitting with tubing reinforcing insert

CA 1053288 A · Owner: Anderson-Barrows Metals Corporation · Inventors: Anderson, David N.

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 compression type end fitting for a non-metal flexible tubing wherein the fitting includes a tubing receiving bore terminating at an internal stop shoulder with a continuing smaller diameter throughbore, a nut sub-assembly of a nut and compression sleeve having a nut receiving throughbore has a tubing reinforcing insert loosely retained with the body and nut sub-assembly when the latter are preassembled preparatory to receiving the tubing through the nut sub-assembly. The insert has a circular flange for loosely retaining the insert within the fitting body bore and has a guide end protruding outwardly of the nut sub-assembly when the latter is assembled to the fitting body to provide for …

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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 April 24, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 24, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedApril 24, 1979
Term endedApril 24, 1996
Patent numberCA 1053288 A
Classification (IPC)F16L33/20 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedApril 24, 1979Term endedApril 24, 1996

Sources & verification

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