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Expired Canadian patentCanada

Articulated fluid conduit with auxiliary support

CA 1084386 A · Owner: Fmc Corporation · Inventors: Gibbons, Harold M.

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

An expandable and retractable fluid conduit is disclosed for conveying fluid between a fixed point and a movable point. A plurality of rigid pipe sections are pivotally connected in end-to-end relation by swivel joints to form an articulated fluid conveying pipe. A plurality of rigid support sections are pivotally connected in end-to-end relation to form an articulated support member. The articulated pipe member and the articulated support member criss-cross, and are pivotally connected at their intersections, to form a lazy tong configuration. Universal swivel joints are provided at each end of the conduit, and means is provided to render each pipe section and each support section buoyant …

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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 August 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 26, 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.
FiledSeptember 8, 1977
GrantedAugust 26, 1980
Term endedAugust 26, 1997
Patent numberCA 1084386 A
Classification (IPC)F16L3/00 +2 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedSep 8, 1977Patent grantedAug 26, 1980Term endedAug 26, 1997

Sources & verification

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