Low pressure microwave drying apparatus
CA 1235295 A · Owner: House Food Industrial Company Limited · Inventors: Taga, Kazumitsu; Hattori, Ryuichi; Sugisawa, Ko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Specification, Title of the Invention: LOW PRESSURE MICROWAVE DRYING APPARATUS Abstract of the Disclosure:, An improved low pressure microwave drying apparatus comprises a drying chamber made of a microwave-permeable and gas-impermeable material and a microwave applying chamber made of a microwave-impermeable material which encloses the drying chamber at a distance therefrom. The drying chamber is provided with a gas exhaust system and the microwave applying chamber with a microwave generator.
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 April 19, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 19, 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.