Diluvial diving dredge
CA 1259635 A · Owner: Dilney, Emil · Inventors: Dilney, Emil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
ABSTACT, A dredging method and apparatus is disclosed for the recovery of material from below the beds of rivers and other bodies of water. The apparatus comprises a recovery unit having upper and lower booms, which is movably supported on a platform and means for raising and lowering the recovery unit. The lower boom has material digging and removal means attached to an endless conveyor and the upper boom has material separating means and means for removal of the separated material. The apparatus also includes means for washing and separating the material removed by the removal means of the lower boom. The method for moving the apparatus includes the steps of washing and separating the …
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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 September 19, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 19, 2006.
- 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.