Floating roof tank with rim space seal
CA 1287962 C · Owner: Tellalian, Martin Levon · Inventors: Grove, Robert Blake; Tellalian, Martin Levon; Peters, Steven Wayne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vertical cylindrical liquid storge tank having a circular floating roof therein and a seal from the roof to the tank wall for preventing escape of vapor from stored liquid. The seal has metal flexible sections which can, be laterally bent, extending from the roof edge to the tank wall, with an elastomeric tip on the sections. Gaskets can fill in gaps or space between the sections to prevent escape of vapor. - 20 -
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 August 27, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 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.