Coffee brewer
CA 1232771 A · Owner: Vendking Internationale Ltee · Inventors: King, Alan M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to improvements in a beverage brewing machine. In accordance with the invention the brewing, machine is able to brew a larger single cup of beverage without affecting the quality of the beverage. The brewing machine includes an upper brewing chamber, and a lower second chamber below the upper chamber and filter means between the upper and lower chambers. To increase the amount of beverage brewed the, size of the lower chamber is increased by increasing the crosssectional area of the lower chamber. However the area of the, upper opening of the lower chamber is not increased. Specifically a flange extends inwardly from the top of the wall of the lower chamber to thereby …
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 February 16, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 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.