Method for the indication of the detonation of a practice seabed mine and device for carrying out the method
CA 2022085 A1 · Owner: Zacharias, Athanassios · Inventors: Badura, Wolfgang; Watzinger, Harald; Wegscheider, Martin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A method and a device are set up for the indication, visible from afar, of the detonation which, has taken place, of a practice seabed mine with which, method and device in the event of detonation of the seabed mine a floatable detonation-indicating body is released from the mine, which body, after reaching the water surface, fires a signal body, emitting an indication signal, to a height of at least 50 m over the water surface. The portion of the detonationindicating body which remains behind on the water surface is then destroyed after a given time.
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
- Filed July 27, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 27, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 27, 2012.
- 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.