Expired Canadian patentCanada
Radiating mode stirrer heating system
CA 1114455 A · Owner: Raytheon Company · Inventors: Teich, Wesley W.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A microwave heating system having a rotary multiport microwave radiator positioned in a cavity and having radiating ports at different distances from the axis of rotation which direct overlapping radiation patterns at a body to be heated. :
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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 December 15, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 9, 1981
GrantedDecember 15, 1981
Term endedDecember 15, 1998
Patent numberCA 1114455 A
Classification (IPC)F24C7/02
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.