Liquid cargo tank construction
CA 1099996 A · Owner: Conway, Charles S. · Inventors: Conway, Charles S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tank vessel for the transportation of liquid cargo having a specific gravity which is less than that of water. The vessel includes a hull comprising a bottom and sides, a top deck, and at least one transverse bulkhead disposed within the hull forming a plurality of watertight cargo compartments between the top deck and the hull bottom. The improvement of the invention comprises a watertight horizontal bulkhead disposed within the hull between the top deck and the hull bottom above the waterline of the tank vessel and at a distance above the hull bottom which is less than or equal to H(Sw/Sc), where H represents the vertical height of the waterline of the vessel above the hull bottom Sw, …
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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 April 28, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 1998.
- 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.