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Expired Canadian patentCanada

Coupled hose assembly

CA 1290362 C · Owner: Gates Rubber Company (The) · Inventors: Kemper, Dennis C.; Schelhaas, Douglas D.

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

of the Invention, A coupled hose assembly of the type including a coupling attached to a polymeric hose by pinching part of a hose end portion. A pliable adhesive is disposed in part of the coupling to define a substantially leakproof seal between the hose and coupling at an environment temperature falling at least within the range of about 135°C to about -40°C.

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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 October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 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.
FiledApril 21, 1987
GrantedOctober 8, 1991
Term endedOctober 8, 2008
Patent numberCA 1290362 C
Classification (IPC)F16L37/08 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 21, 1987Patent grantedOct 8, 1991Term endedOct 8, 2008

Sources & verification

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