Spill overflow prevention system for tanker vessels
CA 1136495 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
An improved spill overflow prevention system for tanker vessels comprising a longitudinally disposed trunk line, branch lines coupled at one end to the trunk line and at the other end to the cargo compartments of the vessel, valves coupled to the branch lines intermediate the ends thereof for permitting the free flow of fluid chemical and petroleum products from the cargo compartments to the trunk line through the branch lines and a retention tank disposed in the vessel and coupled to the trunk line for receiving fluid chemical and petroleum products from the trunk line. Fluid chemical and petroleum products overflowing from the cargo compartments of the vessel are directed from 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 November 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 1999.
- 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.