Vessel construction
CA 1237372 A · Owner: National Tank Company · Inventors: Seidi, Otto J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A large vessel in which oil well fluids are received has a small subvessel mounted within it. The subvessel is mounted in the upper portion of its parent vessel in which position the sub-, vessel receives only the separated oil well fluid rising to the upper part of the parent vessel. The subvessel is formed of a cylinder welded by a first end to a wall of its parent vessel while detachably sealed at its second end to a circular plate clamped just within the interior of the cylinder. -9-
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, and the Claude kit works from them.
Why it's free to use
- Granted May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- 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.