Liquid flow meter
CA 1314729 C · Owner: Mccormick, Dennis · Inventors: Kimber, Robert A.; Mccormick, Dennis; Quarve, Vernon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid flow meter of the type having a positive displacement rotatable member responsive to liquid flow with a permanent magnet affixed to the rotatable member. A magnetically-operable reed switch is located proximate the reed switch, but outside the liquid flow housing and, battery-operated circuits accumulate counts of reed switch closures, and display the counts in units representative of liquid flow volumes.
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 March 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 2010.
- 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.