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Expired Canadian patentCanada

Strip type coupling member

CA 1091276 A · Owner: Denman. Stephen A. · Inventors: Denman. Stephen A.

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

A coupling device particularly advantageous for use in connecting parts of unlike material comprising a flexible strip formed element having a resilient core. In preferred embodiment this core is covered or substantially sheathed in an envelope which is preferably of non-porous flexible material capable of heat transfer, the outer surface of which mounts a pressure or heat sensitive adhesive. The strip body is characterized in one form by the feature that on application of a predetermined range of heat it will self adapt in form and/or contained volume to the load of contacting parts, in the process of which the adhesive will bond to such parts and the body of the strip will form a seal …

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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 December 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 27, 1978
GrantedDecember 9, 1980
Term endedDecember 9, 1997
Patent numberCA 1091276 A
Classification (IPC)E06B7/24

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJune 27, 1978Patent grantedDec 9, 1980Term endedDec 9, 1997

Sources & verification

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