Ocean floor mine
CA 1087920 A · Owner: Messerschmitt-Bolkow-Blohm Gmbh · Inventors: Petters, Claus; Grawe, Helmut; Mutsch, Adam
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A mine to be laid on the ocean floor consists of two separate containers joined together into a unit. One container holds a firing system and the other an explosive. The explosive is salt water resistant and of a plastic consistency. The container for the explosive is destructible so that it can be removed from about the explosive either during or after placement on the ocean floor. A flexible reinforcement member encloses the explosive so that, after the container is removed and the explosive can flow on the ocean floor, the reinforcement member holds the explosive together.
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.
Why it's free to use
- Granted October 21, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 21, 1997.
- 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.