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Expired Canadian patentCanada

Assembly of conductor guides for offshore drilling platform

CA 1215551 A · Owner: Mcdermott International, Inc. · Inventors: Campo, Juan J.

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 conductor guide assembly for conductors of an offshore well platform having a jacket with an interior pile for extending from a sea bed to above a water level which is over the sea bed. In accordance with one inventive feature, a first guide mechanism comprising a plurality of vertically spaced supports which hold the tubular conduits within the interior pile is assembled in a plurality of sections wherein the upper support of each section is provided with removable bolt-on units for supporting the first guide mechanism as successive sections are jointed thereto. In accordance with another inventive feature, a second guide mechanism comprises a pair of circular plates positioned to rotate …

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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 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 2003.
  • 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 17, 1984
GrantedDecember 23, 1986
Term endedDecember 23, 2003
Patent numberCA 1215551 A
Classification (IPC)E02B17/02 +2 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedDec 17, 1984Patent grantedDec 23, 1986Term endedDec 23, 2003

Sources & verification

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