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Expired Canadian patentCanada

Mixer tool for an ice-cream maker

CA 1283654 C · Owner: Koninklijke Philips Electronics N.V. · Inventors: Eckel, Merowech; Ramusch, Wolfgang

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

9-, ABSTRACT:, Mixer tool for an ice-cream maker In a mixer tool (8) for an ice-cream maker which is insertable, centrally into a cylindrical container (1) of the ice-cream maker and is operable there in rotation and which has at least one stirrer (14,15) projecting from a central shaft (6) effective at, least in the vicinity of the container wall (7) said stirrer, effecting in the container a flow at least directed from bottom to top of an ice-cream mixture filled into the latter said stirrer, also has at its free upper end close to the container wall a knife-shaped scraper (20, 21) projecting over the stirrer and acting together with the container wall (fig. 1).

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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 April 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 15, 1987
GrantedApril 30, 1991
Term endedApril 30, 2008
Patent numberCA 1283654 C
Classification (IPC)A23G9/12 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJan 15, 1987Patent grantedApril 30, 1991Term endedApril 30, 2008

Sources & verification

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