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Expired Canadian patentCanada

Automotive engine cup plug sealing method

CA 1279980 C · Owner: Loctite Corporation · Inventors: Bonutti, Henrik

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

Abstract of the Disclosure, An improvement in a process for the press fit assembly of two parts (10 and 18) having an interference fit, wherein one of the two parts (10) is provided with a grooved surface. A preapplied dry-to-the-touch sealant adapted to be cured upon assembly of the two parts (16) is, applied on the grooves (14) prior to 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 February 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 2, 1987
GrantedFebruary 12, 1991
Term endedFebruary 12, 2008
Patent numberCA 1279980 C
Classification (IPC)F16B11/00 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedDec 2, 1987Patent grantedFeb 12, 1991Term endedFeb 12, 2008

Sources & verification

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