Method and apparatus for treating roasted coffee
CA 1233690 A · Owner: Illy, Ernesto · Inventors: Illy, Ernesto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is provided for treating roasted coffee said, method comprising the steps of supplying freshly roasted coffee into air-tight seasoning containers, blowing a stream of CO2 therein to remove air therefrom; treating the coffee in each of said containers with a gas such as CO2 or N2 in controlled amounts and under controlled pressure; and transferring the seasoned coffee into stabilization containers to permit the coffee to reach hygrometric and gaseous equilibrium with the ambient air. Apparatus is further provided for effecting said method. -28-
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 8, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 8, 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.