Electronic combustion furnace
CA 2048006 C · Owner: Nara, Akikazu · Inventors: Nara, Akikazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic combustion furnace includes a heating element comprising a heat proof vessel and a mixture of carbon powder and alumina powder vacuum sealed within the vessel. When the heating element is irradiated with microwaves, it is heated to a high temperature which can melt and combust waste materials within the furnace. An exhaust gas purifying device purifies gas generated within the furnace.
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 26, 1991 and granted May 16, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 26, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 26, 2013.
- 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.