Tamperproof water meter
CA 1278931 C · Owner: M & Fc Holding Company, Inc. · Inventors: Sutherland, Ray
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A water meter is provided with a retaining ring which is mounted on the top wall of the main case and secured thereto by means of a connection requiring limited rotary motion for engagement. A bonnet within which the register housing is enclosed is mounted on the retaining ring by a similar rotary motion whereby removal of either the bonnet from the retaining ring or the retaining ring from the main case requires only limited rotary motion in the reverse direction. To prevent removal of the register by unauthorized individuals such reverse rotary motion is prevented by a locking pin which projects through the bonnet the, retaining ring and into a recess in the …
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 January 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 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.