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Expired Canadian patentCanada

Brewing unit

CA 1197482 A · Owner: Morton (Robert) Dg Limited · Inventors: Wilkinson, Noel R.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An improved brewing unit in which energy is saved by providing a mash tun (14), hot water tank (10) and kettle (8) in a single unit (1), by partially enclosing the mash tun with the tank and if necessary pre-heating the water supply to the tank by using the heat from wort coolers provided between the unit (1) and fermentation tank (83, 85); further improvements are provided by constructing the kettle as a combined kettle and whirlpool in a single chamber having a circular wall (2) and a tangential inlet (92) to the wall, a pump (53) and wort boiler (6) being in circuit with the kettle so that wort is continuously circulated through the boiler and tangential inlet to the kettle whilst the …

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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 3, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 3, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 6, 1983
GrantedDecember 3, 1985
Term endedDecember 3, 2002
Patent numberCA 1197482 A
Classification (IPC)C12C13/02 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedApril 6, 1983Patent grantedDec 3, 1985Term endedDec 3, 2002

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.