Gas meter operation tracking assembly
CA 2513971 C · Owner: Michalak, John Z. · Inventors: Michalak, John Z.; Smich, Andrew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tracking assembly and method for tracking the operation of a rotary gas meter that has a driven member includes a connecting member a gear assembly and a mechanical counter. The connecting member is adapted to be coupled to the driven member. The gear assembly is adapted to be coupled between the connecting member and the mechanical counter. The mechanical counter is used to count a value that is directly proportional to the number of rotations of the driven member when the connecting member is coupled to the driven member. The value provided by the mechanical counter is multiplied by a conversion factor such that the associated volume of gas displaced by the gas meter can be determined.
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
- Filed July 27, 2005 and granted April 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 27, 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.