Cleated boot for marine seismic cables
CA 2308770 A1 · Owner: Norris, Michael W. · Inventors: Norris, Michael W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A marine seismic housing having cleats for anchoring geophone sensors to the seafloor, and a method for placing the geophone sensor on the seafloor. The housing is attached to the bottom cable and is lowered into contact with the, seafloor. The cleats puncture the seafloor upper surface to improve the coupling, between the sensor and the seafloor. The cleats can have different shapes and lengths, and can be integrated within the housing or can be detachable. The housing exterior surface can comprise multiple flat surfaces for enhancing the housing coupling to the seafloor and for increasing the housing stability relative, to the seafloor.
Read the whole patent
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
- Filed May 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 18, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.