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Expired Canadian patentCanada

Paint mixing container

CA 1280109 C · Owner: Murzsa, Laszlo · Inventors: Murzsa, Laszlo

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 paint mixing container comprising a main body of circular cross section with a base, side walls and an open top. There is a stirring arm comprising a rotatable central shaft with a helical blade rigidly mounted about the central shaft. As well, there is a removable cover with locking means to allow the cover to be attached to the main body. The removable cover has a sealable opening and means to rotatably support the stirring arm in the interior of the main body.

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 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 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.
FiledJuly 8, 1987
GrantedFebruary 12, 1991
Term endedFebruary 12, 2008
Patent numberCA 1280109 C
Classification (IPC)B01F7/00 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJuly 8, 1987Patent grantedFeb 12, 1991Term endedFeb 12, 2008

Sources & verification

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