Direct vent cap
CA 2545225 C · Owner: Duravent, Inc. · Inventors: Jacklich, John R.; Adair, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vent cap for a direct vent system. The cap may include a base plate and a semicircular outer housing secured to the base plate. A divider is coupled within the outer housing with the divider forming in exhaust region and an inlet region. A heat shield is positioned within the semicircular outer housing in the outlet region. A direct vent pipe coupling is provided in the base plate and includes a first pipe having an outlet coupled to the divider.
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 April 28, 2006 and granted June 10, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 28, 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.