Torpedo recovery device
CA 1284916 C · Owner: Cameron, Robert W. · Inventors: Cameron, Robert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
Abstract of the Disclosure A torpedo recovery unit positionable within a torpedo casing having an opening for receiving the unit. The unit includes a body with an interior cavity having an open end mountable within the torpedo casing with the open end at the torpedo casing opening. The body is rigidly supported within the torpedo casing. A non-rigid, gas-inflatable airfoil is foldable within the body cavity for deployment therefrom upon inflation. A bottle containing pressurized helium is rigidly and removably attached to the body. A release valve on the bottle releases the pressurized gas on depression. A valve member is rigidly attached to the body. A first end portion extends through the …
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 June 18, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 2008.
- 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.