Grill exhaust system
CA 2024948 C · Owner: Graver, James H. · Inventors: Graver, James H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cartridge for a grill exhaust system. A fan unit directs and exhausts a streamof fumes and particles created by cooking away from an apertured cooking surfaceand has a main frame defining an exhaust plenum a support system for a flow, diverter cartridge and a replaceable flow diverter cartridge insertable in the plenum below the cooking surface. A cartridge body has a flow diverter assembly within the cartridge body for inducing undulation in the exhaust stream so that the particles and liquids are separated from the stream and collected on the assembly while the fumes are directed downwardly from the cooking surface through the vents. A support system supports the cartridge when 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
- Filed September 10, 1990 and granted June 22, 1993. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 10, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 10, 2012.
- 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.