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Expired Canadian patentCanada

Method for manoeuvering a superstructure element relative to a fixed construction arranged in water, method for constructing a building structure and building structure constructed according to such a method

CA 1330490 C · Owner: Allseas Engineering B.V. · Inventors: Kaldenbach, Willem Paul

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

Method for manoeuvering a superstructure element relative to a fixed construction arranged in water method for constructing, a building structure and building structure constructed according to such a method, ABSTRACT, In manoeuvering a superstructure element relative to a fixed construction arranged in water the superstructure, element is carried using at least one floater body which is, held in at least one liquid bath carried by a vessel element.

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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 July 5, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 5, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 5, 1988
GrantedJuly 5, 1994
Term endedJuly 5, 2011
Patent numberCA 1330490 C
Classification (IPC)E02D25/00 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJan 5, 1988Patent grantedJuly 5, 1994Term endedJuly 5, 2011

Sources & verification

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