Gas supply coupling for a water heater
CA 2558709 C · Owner: Brass Craft Manufacturing Company · Inventors: Scanlon, James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gas supply coupling is disposed within and extends through an opening of a combustion chamber for a water heater. The coupling including a fitting which is a relatively inexpensive stamped component. A stepped tubular connection extends from a plate and includes a first portion having a first diameter which necks down to a second portion having a second diameter less than the first diameter. The stepped tubular connection receives a gas supply tube into the first portion and a gas supply line over the second portion. The tubes are braised to the stepped connection. Other gas supply couplings include a machined fitting and a direct connection between a gas supply tube and a gas supply line …
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 August 30, 2006 and granted May 29, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 30, 2026.
- 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.