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Expired Canadian patentCanada

Beverage carbonation device

CA 1061312 A · Owner: The Procter And Gamble Company · Inventors: Japikse, Cornelis H.; Liepa, Alexander L.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A rigid composite body containing crystalline molecular sieves and having liquid-permeable channels extending in a substantially vertical direction from one surface of said body to the interior thereof, preferably to an opposite surface, is charged with carbon dioxide so that when brought in contact with water or an aqueous beverage the carbon dioxide, will be released from the molecular sieve composite body to carbonate the solution. Such rigid, composite bodies are secured in a sealable, nestable, stackable container which provides a convenient and efficient means for dispensing such composite bodies in combination with a dry instant beverage mix for the preparation of carbonated …

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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 August 28, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 28, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedAugust 28, 1979
Term endedAugust 28, 1996
Patent numberCA 1061312 A
Classification (IPC)B01J29/06 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedAug 28, 1979Term endedAug 28, 1996

Sources & verification

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