Air flow system for common cavity oven
CA 1234184 A · Owner: Raytheon Company · Inventors: Thomas, Calvin J.; Hurley, James E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An air flow system for a back fed common cavity oven wherein a path is provided for forcing moisture purging air into the cavity during microwave operation and wherein air is forced along the path during self-cleaning to prevent the very hot air in the cavity from flowing backwards along the path. Accordingly, parts and components along the path are not subjected to the very hot self-cleaning temperatures. The path may pass through the waveguide of the microwave feed apparatus and through an aperture into the cavity.
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 March 15, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 15, 2005.
- 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.