Apparatus for measuring a fluid level and methods
CA 2492346 C · Owner: Grote, Brandon P. · Inventors: Grote, Brandon P.; Kesterman, James E.; Schneider, Eugene E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for measuring a fluid level includes a housing with a level indicator adapted to display a measured fluid level. A float is associated with the level indicator and an elongated flexible member is provided with a first end and a second end wherein the first end is attached to the float. The apparatus further includes a spool adapted to store at least a portion of the elongated flexible member wherein the second end of the elongated flexible member is attached to the spool. A biasing member is adapted to urge the spool to automatically uptake portions of the elongated flexible member as the float travels towards the housing and adapted to allow the elongated flexible member to …
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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
- Filed January 11, 2005 and granted May 7, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 11, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.