Flow basket
CA 1263543 C · Owner: Marathon Oil Company · Inventors: Johnson, Irvin D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flow basket for use in an apparatus for measuring flow rates having a plurality of substantially triangular shaped petals that selectively open and close about a shaft. A plurality of support bows extend over the petals and attach to the opening end of each petal wherein the support bows are further interconnected to the shaft so that the support bows open and close the petals only in an outward radial direction. 830018-A
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 December 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
- 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.