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Expired Canadian patentCanada

Arrangement for deployment of seismic cables

CA 1300436 C · Owner: Geco A.S · Inventors: Gjestrum, Einar; BJERKõY, ROLF; Langeland, Jan-Age

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Abstract From the Canadian patent

An arrangement for deployment and towing of a plurality of seismic cables, in parallel and at a mutual distance behind a vessel. The seismic, cables are wound on winch barrels and are provided with an inner, cable member which forms a connection with the vessel during towing, operations and is, additionally, provided with a paravane/control means to guide and maintain the, cable laterally in relation to the towing vessel . In order to achieve, reliable and simple deployment and towing of the seismic cables , if, desired at a large distance laterally, in relation to the center line of the vessel, the inner cable member, runs through at least one guide pulley means that is suspended from a, …

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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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 16, 1987
GrantedMay 12, 1992
Term endedMay 12, 2009
Patent numberCA 1300436 C
Classification (IPC)G01V1/38 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJuly 16, 1987Patent grantedMay 12, 1992Term endedMay 12, 2009

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