A propulsion unit
CA 2414858 A1 · Owner: Converteam Ltd · Inventors: Brook, David Christopher; Lewis, Clive David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A propulsion unit (1) arranged to propel a waterborne vessel comprises an electric, motor (4) arranged to provide propulsion and a housing (2) arranged to , contain the motor. The motor (4) is mounted within the housing (2) on resilient couplings (10). Such propulsion units are used to propel ships and the like, and are , suspended from beneath the vessel. The resilient couplings reduce the noise emitted by the housing.
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 December 16, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 16, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 16, 2024.
- 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.